57168404648 has 8 divisors (see below), whose sum is σ = 107190758730. Its totient is φ = 28584202320.

The previous prime is 57168404611. The next prime is 57168404701. The reversal of 57168404648 is 84640486175.

It can be written as a sum of positive squares in only one way, i.e., 54150220804 + 3018183844 = 232702^2 + 54938^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 57168404648.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3573025283 + ... + 3573025298.

Almost surely, 2^57168404648 is an apocalyptic number.

It is an amenable number.

57168404648 is a deficient number, since it is larger than the sum of its proper divisors (50022354082).

57168404648 is a wasteful number, since it uses less digits than its factorization.

57168404648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7146050587 (or 7146050583 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 57168404648 in words is "fifty-seven billion, one hundred sixty-eight million, four hundred four thousand, six hundred forty-eight".