16949872568 has 32 divisors (see below), whose sum is σ = 32945065200. Its totient is φ = 8168804352.

The previous prime is 16949872547. The next prime is 16949872603. The reversal of 16949872568 is 86527894961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235913 + ... + 299256.

Almost surely, 2^16949872568 is an apocalyptic number.

It is an amenable number.

16949872568 is a deficient number, since it is larger than the sum of its proper divisors (15995192632).

16949872568 is a wasteful number, since it uses less digits than its factorization.

16949872568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535319 (or 535315 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 65.

The spelling of 16949872568 in words is "sixteen billion, nine hundred forty-nine million, eight hundred seventy-two thousand, five hundred sixty-eight".