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16797690368 = 2979601691
BaseRepresentation
bin11111010010011100…
…00110101000000000
31121100122211002021022
433221032012220000
5233400202042433
611414452445012
71133156004134
oct175116065000
947318732238
1016797690368
11713a949438
123309619768
13177910aa74
14b54c993c4
15684a63698
hex3e9386a00

16797690368 has 80 divisors (see below), whose sum is σ = 34093234560. Its totient is φ = 8266752000.

The previous prime is 16797690367. The next prime is 16797690379. The reversal of 16797690368 is 86309679761.

It is a self number, because there is not a number n which added to its sum of digits gives 16797690368.

It is not an unprimeable number, because it can be changed into a prime (16797690367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24308903 + ... + 24309593.

It is an arithmetic number, because the mean of its divisors is an integer number (426165432).

Almost surely, 216797690368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16797690368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17046617280).

16797690368 is an abundant number, since it is smaller than the sum of its proper divisors (17295544192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16797690368 is an frugal number, since it uses more digits than its factorization.

16797690368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 16797690368 in words is "sixteen billion, seven hundred ninety-seven million, six hundred ninety thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 79 128 158 256 316 512 601 632 691 1202 1264 1382 2404 2528 2764 4808 5056 5528 9616 10112 11056 19232 20224 22112 38464 40448 44224 47479 54589 76928 88448 94958 109178 153856 176896 189916 218356 307712 353792 379832 415291 436712 759664 830582 873424 1519328 1661164 1746848 3038656 3322328 3493696 6077312 6644656 6987392 12154624 13289312 13974784 24309248 26578624 27949568 32807989 53157248 65615978 106314496 131231956 212628992 262463912 524927824 1049855648 2099711296 4199422592 8398845184 16797690368