16976981312064 has 112 divisors (see below), whose sum is σ = 50162528275200. Its totient is φ = 5630267801088.

The previous prime is 16976981312033. The next prime is 16976981312099. The reversal of 16976981312064 is 46021318967961.

16976981312064 is a `hidden beast` number, since 169 + 76 + 98 + 1 + 312 + 0 + 6 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 16976981311992 and 16976981312010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24595224 + ... + 25276055.

Almost surely, 2^{16976981312064} is an apocalyptic number.

It is an amenable number.

16976981312064 is an abundant number, since it is smaller than the sum of its proper divisors (33185546963136).

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

16976981312064 is a wasteful number, since it uses less digits than its factorization.

16976981312064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49871497 (or 49871481 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 16976981312064 in words is "sixteen trillion, nine hundred seventy-six billion, nine hundred eighty-one million, three hundred twelve thousand, sixty-four".