57666666674 has 32 divisors (see below), whose sum is σ = 91659786240. Its totient is φ = 27172454400.

The previous prime is 57666666647. The next prime is 57666666677. The reversal of 57666666674 is 47666666675.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 57666666674.

It is not an unprimeable number, because it can be changed into a prime (57666666677) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 276914 + ... + 438194.

It is an arithmetic number, because the mean of its divisors is an integer number (2864368320).

Almost surely, 2^57666666674 is an apocalyptic number.

57666666674 is a deficient number, since it is larger than the sum of its proper divisors (33993119566).

57666666674 is a wasteful number, since it uses less digits than its factorization.

57666666674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161466.

The product of its digits is 274337280, while the sum is 65.

Subtracting from 57666666674 its reverse (47666666675), we obtain a palindrome (9999999999).

The spelling of 57666666674 in words is "fifty-seven billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy-four".