557356566507 has 64 divisors (see below), whose sum is σ = 817540354176. Its totient is φ = 335684321280.

The previous prime is 557356566499. The next prime is 557356566509. The reversal of 557356566507 is 705665653755.

It is not a de Polignac number, because 557356566507 - 2³ = 557356566499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557356566509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 317943543 + ... + 317945295.

It is an arithmetic number, because the mean of its divisors is an integer number (12774068034).

Almost surely, 2^557356566507 is an apocalyptic number.

557356566507 is a deficient number, since it is larger than the sum of its proper divisors (260183787669).

557356566507 is a wasteful number, since it uses less digits than its factorization.

557356566507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640.

The product of its (nonzero) digits is 99225000, while the sum is 60.

The spelling of 557356566507 in words is "five hundred fifty-seven billion, three hundred fifty-six million, five hundred sixty-six thousand, five hundred seven".