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6988160016324 = 22321923271926861
BaseRepresentation
bin110010110110000111011…
…0010111001111111000100
3220202001122212221111011100
41211230032302321333010
51403443222431010244
622510152201340100
71320610056031314
oct145541662717704
926661585844140
106988160016324
11225473116a373
1294a428797630
133b8c9968bb26
141a232b98d444
15c1ba103ab69
hex65b0ecb9fc4

6988160016324 has 216 divisors, whose sum is σ = 19465580534400. Its totient is φ = 2107825822080.

The previous prime is 6988160016293. The next prime is 6988160016329. The reversal of 6988160016324 is 4236100618896.

6988160016324 is a `hidden beast` number, since 6 + 9 + 8 + 8 + 1 + 600 + 1 + 6 + 3 + 24 = 666.

It is a super-5 number, since 5×69881600163245 (a number of 65 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (6988160016329) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 260146654 + ... + 260173514.

It is an arithmetic number, because the mean of its divisors is an integer number (90118428400).

Almost surely, 26988160016324 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 6988160016324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9732790267200).

6988160016324 is an abundant number, since it is smaller than the sum of its proper divisors (12477420518076).

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

6988160016324 is a wasteful number, since it uses less digits than its factorization.

6988160016324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27655 (or 27627 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 6988160016324 in words is "six trillion, nine hundred eighty-eight billion, one hundred sixty million, sixteen thousand, three hundred twenty-four".