57378411618 has 16 divisors (see below), whose sum is σ = 125189261856. Its totient is φ = 17387397440.

The previous prime is 57378411599. The next prime is 57378411661. The reversal of 57378411618 is 81611487375.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434684871 + ... + 434685002.

It is an arithmetic number, because the mean of its divisors is an integer number (7824328866).

Almost surely, 2^57378411618 is an apocalyptic number.

57378411618 is an abundant number, since it is smaller than the sum of its proper divisors (67810850238).

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

57378411618 is a wasteful number, since it uses less digits than its factorization.

57378411618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869369889.

The product of its digits is 1128960, while the sum is 51.

It can be divided in two parts, 57378 and 411618, that added together give a triangular number (468996 = T₉₆₈).

The spelling of 57378411618 in words is "fifty-seven billion, three hundred seventy-eight million, four hundred eleven thousand, six hundred eighteen".