57771968164 has 27 divisors (see below), whose sum is σ = 103338209793. Its totient is φ = 28260332208.

The previous prime is 57771968153. The next prime is 57771968171. The reversal of 57771968164 is 46186917775.

The square root of 57771968164 is 240358.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 24790502500 + 32981465664 = 157450^2 + 181608^2 .

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 22592374 + ... + 22594930.

Almost surely, 2^57771968164 is an apocalyptic number.

57771968164 is the 240358-th square number.

It is an amenable number.

57771968164 is a deficient number, since it is larger than the sum of its proper divisors (45566241629).

57771968164 is an frugal number, since it uses more digits than its factorization.

57771968164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212 (or 2606 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 61.

The spelling of 57771968164 in words is "fifty-seven billion, seven hundred seventy-one million, nine hundred sixty-eight thousand, one hundred sixty-four".