10500660172 has 12 divisors (see below), whose sum is σ = 18403464856. Its totient is φ = 5242527360.

The previous prime is 10500660133. The next prime is 10500660193. The reversal of 10500660172 is 27106600501.

It is a super-2 number, since 2×10500660172² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10500660172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947654 + ... + 1953037.

Almost surely, 2^10500660172 is an apocalyptic number.

It is an amenable number.

10500660172 is a deficient number, since it is larger than the sum of its proper divisors (7902804684).

10500660172 is a wasteful number, since it uses less digits than its factorization.

10500660172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901368 (or 3901366 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 10500660172 in words is "ten billion, five hundred million, six hundred sixty thousand, one hundred seventy-two".