57266307664 has 40 divisors (see below), whose sum is σ = 113190135080. Its totient is φ = 28060950528.

The previous prime is 57266307653. The next prime is 57266307673. The reversal of 57266307664 is 46670366275.

It can be written as a sum of positive squares in 4 ways, for example, as 2693610000 + 54572697664 = 51900^2 + 233608^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27232 + ... + 339520.

It is an arithmetic number, because the mean of its divisors is an integer number (2829753377).

Almost surely, 2^57266307664 is an apocalyptic number.

It is an amenable number.

57266307664 is a deficient number, since it is larger than the sum of its proper divisors (55923827416).

57266307664 is a wasteful number, since it uses less digits than its factorization.

57266307664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312527 (or 312521 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 57266307664 in words is "fifty-seven billion, two hundred sixty-six million, three hundred seven thousand, six hundred sixty-four".