57164473212 has 48 divisors (see below), whose sum is σ = 166296652032. Its totient is φ = 14847914880.

The previous prime is 57164473187. The next prime is 57164473279. The reversal of 57164473212 is 21237446175.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30932233 + ... + 30934080.

It is an arithmetic number, because the mean of its divisors is an integer number (3464513584).

Almost surely, 2^57164473212 is an apocalyptic number.

It is an amenable number.

57164473212 is an abundant number, since it is smaller than the sum of its proper divisors (109132178820).

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

57164473212 is a wasteful number, since it uses less digits than its factorization.

57164473212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61866338 (or 61866336 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The spelling of 57164473212 in words is "fifty-seven billion, one hundred sixty-four million, four hundred seventy-three thousand, two hundred twelve".