10538117672 has 32 divisors (see below), whose sum is σ = 20915690400. Its totient is φ = 4969051584.

The previous prime is 10538117671. The next prime is 10538117683. The reversal of 10538117672 is 27671183501.

It is a happy number.

It is a super-2 number, since 2×10538117672² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10538117671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518198 + ... + 538149.

It is an arithmetic number, because the mean of its divisors is an integer number (653615325).

Almost surely, 2^10538117672 is an apocalyptic number.

It is an amenable number.

10538117672 is a deficient number, since it is larger than the sum of its proper divisors (10377572728).

10538117672 is a wasteful number, since it uses less digits than its factorization.

10538117672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056425 (or 1056421 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 10538117672 in words is "ten billion, five hundred thirty-eight million, one hundred seventeen thousand, six hundred seventy-two".