57161204724 has 48 divisors (see below), whose sum is σ = 144466180992. Its totient is φ = 17486389632.

The previous prime is 57161204707. The next prime is 57161204729. The reversal of 57161204724 is 42740216175.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57161204729) by changing a digit.

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, 1032024 + ... + 1085999.

It is an arithmetic number, because the mean of its divisors is an integer number (3009712104).

Almost surely, 2^57161204724 is an apocalyptic number.

It is an amenable number.

57161204724 is an abundant number, since it is smaller than the sum of its proper divisors (87304976268).

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

57161204724 is a wasteful number, since it uses less digits than its factorization.

57161204724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118216 (or 2118214 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 57161204724 in words is "fifty-seven billion, one hundred sixty-one million, two hundred four thousand, seven hundred twenty-four".