57103366656 has 640 divisors, whose sum is σ = 196855971840. Its totient is φ = 14375387136.

The previous prime is 57103366613. The next prime is 57103366687. The reversal of 57103366656 is 65666330175.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1214965225 + ... + 1214965271.

It is an arithmetic number, because the mean of its divisors is an integer number (307587456).

Almost surely, 2^57103366656 is an apocalyptic number.

57103366656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57103366656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98427985920).

57103366656 is an abundant number, since it is smaller than the sum of its proper divisors (139752605184).

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

57103366656 is an equidigital number, since it uses as much as digits as its factorization.

57103366656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 48.

The spelling of 57103366656 in words is "fifty-seven billion, one hundred three million, three hundred sixty-six thousand, six hundred fifty-six".