57668522586658 has 4 divisors (see below), whose sum is σ = 86502783879990. Its totient is φ = 28834261293328.

The previous prime is 57668522586559. The next prime is 57668522586659. The reversal of 57668522586658 is 85668522586675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53503768149129 + 4164754437529 = 7314627^2 + 2040773^2 .

It is not an unprimeable number, because it can be changed into a prime (57668522586659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14417130646663 + ... + 14417130646666.

Almost surely, 2^{57668522586658} is an apocalyptic number.

57668522586658 is a deficient number, since it is larger than the sum of its proper divisors (28834261293332).

57668522586658 is a wasteful number, since it uses less digits than its factorization.

57668522586658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28834261293331.

The product of its digits is 11612160000, while the sum is 79.

The spelling of 57668522586658 in words is "fifty-seven trillion, six hundred sixty-eight billion, five hundred twenty-two million, five hundred eighty-six thousand, six hundred fifty-eight".