652660260057 has 24 divisors (see below), whose sum is σ = 1068683470400. Its totient is φ = 380498287968.

The previous prime is 652660260047. The next prime is 652660260071. The reversal of 652660260057 is 750062066256.

652660260057 is a `hidden beast` number, since 6 + 526 + 60 + 2 + 60 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 652660260057 - 2³¹ = 650512776409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 652660259994 and 652660260021.

It is not an unprimeable number, because it can be changed into a prime (652660260047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146794957 + ... + 146799402.

Almost surely, 2^652660260057 is an apocalyptic number.

It is an amenable number.

652660260057 is a deficient number, since it is larger than the sum of its proper divisors (416023210343).

652660260057 is a wasteful number, since it uses less digits than its factorization.

652660260057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293594397 (or 293594394 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 652660260057 in words is "six hundred fifty-two billion, six hundred sixty million, two hundred sixty thousand, fifty-seven".