57061430766 has 12 divisors (see below), whose sum is σ = 123633100032. Its totient is φ = 19020476916.

The previous prime is 57061430759. The next prime is 57061430809. The reversal of 57061430766 is 66703416075.

57061430766 is a `hidden beast` number, since 570 + 6 + 1 + 4 + 3 + 0 + 76 + 6 = 666.

It is a super-2 number, since 2×57061430766² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1585039726 + ... + 1585039761.

It is an arithmetic number, because the mean of its divisors is an integer number (10302758336).

Almost surely, 2^57061430766 is an apocalyptic number.

57061430766 is an abundant number, since it is smaller than the sum of its proper divisors (66571669266).

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

57061430766 is a wasteful number, since it uses less digits than its factorization.

57061430766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170079495 (or 3170079492 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 57061430766 in words is "fifty-seven billion, sixty-one million, four hundred thirty thousand, seven hundred sixty-six".