57885655168 has 128 divisors (see below), whose sum is σ = 134477159040. Its totient is φ = 24553267200.

The previous prime is 57885655153. The next prime is 57885655171. The reversal of 57885655168 is 86155658875.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1305946 + ... + 1349542.

It is an arithmetic number, because the mean of its divisors is an integer number (1050602805).

Almost surely, 2^57885655168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57885655168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67238579520).

57885655168 is an abundant number, since it is smaller than the sum of its proper divisors (76591503872).

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

57885655168 is a wasteful number, since it uses less digits than its factorization.

57885655168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43686 (or 43674 counting only the distinct ones).

The product of its digits is 80640000, while the sum is 64.

The spelling of 57885655168 in words is "fifty-seven billion, eight hundred eighty-five million, six hundred fifty-five thousand, one hundred sixty-eight".