57618031812 has 24 divisors (see below), whose sum is σ = 146664081312. Its totient is φ = 17460009600.

The previous prime is 57618031777. The next prime is 57618031871. The reversal of 57618031812 is 21813081675.

It is an unprimeable number.

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, 218249989 + ... + 218250252.

It is an arithmetic number, because the mean of its divisors is an integer number (6111003388).

Almost surely, 2^57618031812 is an apocalyptic number.

It is an amenable number.

57618031812 is an abundant number, since it is smaller than the sum of its proper divisors (89046049500).

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

57618031812 is a wasteful number, since it uses less digits than its factorization.

57618031812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436500259 (or 436500257 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 57618031812 in words is "fifty-seven billion, six hundred eighteen million, thirty-one thousand, eight hundred twelve".