57145886766 has 12 divisors (see below), whose sum is σ = 123816088032. Its totient is φ = 19048628916.

The previous prime is 57145886747. The next prime is 57145886771. The reversal of 57145886766 is 66768854175.

57145886766 is a `hidden beast` number, since 571 + 4 + 58 + 8 + 6 + 7 + 6 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1587385726 + ... + 1587385761.

It is an arithmetic number, because the mean of its divisors is an integer number (10318007336).

Almost surely, 2^57145886766 is an apocalyptic number.

57145886766 is an abundant number, since it is smaller than the sum of its proper divisors (66670201266).

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

57145886766 is a wasteful number, since it uses less digits than its factorization.

57145886766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174771495 (or 3174771492 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 63.

The spelling of 57145886766 in words is "fifty-seven billion, one hundred forty-five million, eight hundred eighty-six thousand, seven hundred sixty-six".