16927387957 has 16 divisors (see below), whose sum is σ = 17705750400. Its totient is φ = 16162977600.

The previous prime is 16927387937. The next prime is 16927387999. The reversal of 16927387957 is 75978372961.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16927387957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16927387937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985519 + ... + 1002547.

It is an arithmetic number, because the mean of its divisors is an integer number (1106609400).

Almost surely, 2^16927387957 is an apocalyptic number.

It is an amenable number.

16927387957 is a deficient number, since it is larger than the sum of its proper divisors (778362443).

16927387957 is a wasteful number, since it uses less digits than its factorization.

16927387957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17436.

The product of its digits is 40007520, while the sum is 64.

The spelling of 16927387957 in words is "sixteen billion, nine hundred twenty-seven million, three hundred eighty-seven thousand, nine hundred fifty-seven".