557647266172 has 12 divisors (see below), whose sum is σ = 978430715136. Its totient is φ = 278095633280.

The previous prime is 557647266131. The next prime is 557647266173. The reversal of 557647266172 is 271662746755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557647266173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181998229 + ... + 182001292.

It is an arithmetic number, because the mean of its divisors is an integer number (81535892928).

Almost surely, 2^557647266172 is an apocalyptic number.

It is an amenable number.

557647266172 is a deficient number, since it is larger than the sum of its proper divisors (420783448964).

557647266172 is a wasteful number, since it uses less digits than its factorization.

557647266172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363999908 (or 363999906 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 58.

The spelling of 557647266172 in words is "five hundred fifty-seven billion, six hundred forty-seven million, two hundred sixty-six thousand, one hundred seventy-two".