57657207216 has 40 divisors (see below), whose sum is σ = 170226041344. Its totient is φ = 16473487680.

The previous prime is 57657207203. The next prime is 57657207217. The reversal of 57657207216 is 61270275675.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (57657207217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85799080 + ... + 85799751.

Almost surely, 2^57657207216 is an apocalyptic number.

57657207216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

57657207216 is an abundant number, since it is smaller than the sum of its proper divisors (112568834128).

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

57657207216 is a wasteful number, since it uses less digits than its factorization.

57657207216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171598849 (or 171598843 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 48.

The spelling of 57657207216 in words is "fifty-seven billion, six hundred fifty-seven million, two hundred seven thousand, two hundred sixteen".