57123244664 has 16 divisors (see below), whose sum is σ = 107124956520. Its totient is φ = 28556589600.

The previous prime is 57123244639. The next prime is 57123244667. The reversal of 57123244664 is 46644232175.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57123244667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 580634 + ... + 671849.

Almost surely, 2^57123244664 is an apocalyptic number.

It is an amenable number.

57123244664 is a deficient number, since it is larger than the sum of its proper divisors (50001711856).

57123244664 is a wasteful number, since it uses less digits than its factorization.

57123244664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258190 (or 1258186 counting only the distinct ones).

The product of its digits is 967680, while the sum is 44.

The spelling of 57123244664 in words is "fifty-seven billion, one hundred twenty-three million, two hundred forty-four thousand, six hundred sixty-four".