57156246868 has 48 divisors (see below), whose sum is σ = 115244236800. Its totient is φ = 24296070240.

The previous prime is 57156246821. The next prime is 57156246883. The reversal of 57156246868 is 86864265175.

It is a happy number.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

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, 12318493 + ... + 12323131.

It is an arithmetic number, because the mean of its divisors is an integer number (2400921600).

Almost surely, 2^57156246868 is an apocalyptic number.

It is an amenable number.

57156246868 is an abundant number, since it is smaller than the sum of its proper divisors (58087989932).

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

57156246868 is a wasteful number, since it uses less digits than its factorization.

57156246868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140 (or 8138 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 58.

The spelling of 57156246868 in words is "fifty-seven billion, one hundred fifty-six million, two hundred forty-six thousand, eight hundred sixty-eight".