16337680857 has 16 divisors (see below), whose sum is σ = 24718951680. Its totient is φ = 10660046256.

The previous prime is 16337680847. The next prime is 16337680913. The reversal of 16337680857 is 75808673361.

It is a de Polignac number, because none of the positive numbers 2^k-16337680857 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16337680847) 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, 6435958 + ... + 6438495.

It is an arithmetic number, because the mean of its divisors is an integer number (1544934480).

Almost surely, 2^16337680857 is an apocalyptic number.

It is an amenable number.

16337680857 is a deficient number, since it is larger than the sum of its proper divisors (8381270823).

16337680857 is a wasteful number, since it uses less digits than its factorization.

16337680857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12874509 (or 12874503 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 16337680857 in words is "sixteen billion, three hundred thirty-seven million, six hundred eighty thousand, eight hundred fifty-seven".