10721706172 has 12 divisors (see below), whose sum is σ = 19199334616. Its totient is φ = 5236182000.

The previous prime is 10721706161. The next prime is 10721706181. The reversal of 10721706172 is 27160712701.

It is a super-2 number, since 2×10721706172² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31167579 + ... + 31167922.

Almost surely, 2^10721706172 is an apocalyptic number.

It is an amenable number.

10721706172 is a deficient number, since it is larger than the sum of its proper divisors (8477628444).

10721706172 is a wasteful number, since it uses less digits than its factorization.

10721706172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62335548 (or 62335546 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 34.

The spelling of 10721706172 in words is "ten billion, seven hundred twenty-one million, seven hundred six thousand, one hundred seventy-two".