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16885989120 = 28357111323191
BaseRepresentation
bin11111011100111101…
…11011111100000000
31121120210222010101110
433232132323330000
5234040303122440
611431325203320
71135310352660
oct175636737400
947523863343
1016885989120
117185778610
123333100540
1317914b5550
14b628c21a0
1568c6a6080
hex3ee7bbf00

16885989120 has 1152 divisors, whose sum is σ = 75952816128. Its totient is φ = 3081830400.

The previous prime is 16885989089. The next prime is 16885989161. The reversal of 16885989120 is 2198958861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 88408225 + ... + 88408415.

It is an arithmetic number, because the mean of its divisors is an integer number (65931264).

Almost surely, 216885989120 is an apocalyptic number.

16885989120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16885989120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37976408064).

16885989120 is an abundant number, since it is smaller than the sum of its proper divisors (59066827008).

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

16885989120 is a wasteful number, since it uses less digits than its factorization.

16885989120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 57.

The spelling of 16885989120 in words is "sixteen billion, eight hundred eighty-five million, nine hundred eighty-nine thousand, one hundred twenty".