57199666766 has 16 divisors (see below), whose sum is σ = 94272837120. Its totient is φ = 25812797880.

The previous prime is 57199666757. The next prime is 57199666781. The reversal of 57199666766 is 66766699175.

It is a junction number, because it is equal to n+sod(n) for n = 57199666696 and 57199666705.

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 7 ways as a sum of consecutive naturals, for example, 9349406 + ... + 9355521.

It is an arithmetic number, because the mean of its divisors is an integer number (5892052320).

Almost surely, 2^57199666766 is an apocalyptic number.

57199666766 is a deficient number, since it is larger than the sum of its proper divisors (37073170354).

57199666766 is a wasteful number, since it uses less digits than its factorization.

57199666766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705079.

The product of its digits is 154314720, while the sum is 68.

The spelling of 57199666766 in words is "fifty-seven billion, one hundred ninety-nine million, six hundred sixty-six thousand, seven hundred sixty-six".