652766102172 has 72 divisors (see below), whose sum is σ = 1653162070560. Its totient is φ = 217178357760.

The previous prime is 652766102129. The next prime is 652766102213. The reversal of 652766102172 is 271201667256.

652766102172 is a `hidden beast` number, since 6 + 5 + 2 + 7 + 6 + 610 + 21 + 7 + 2 = 666.

It is a super-2 number, since 2×652766102172² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55168297 + ... + 55180127.

Almost surely, 2^652766102172 is an apocalyptic number.

It is an amenable number.

652766102172 is an abundant number, since it is smaller than the sum of its proper divisors (1000395968388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

652766102172 is a wasteful number, since it uses less digits than its factorization.

652766102172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603 (or 14598 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 652766102172 in words is "six hundred fifty-two billion, seven hundred sixty-six million, one hundred two thousand, one hundred seventy-two".