57123465516 has 96 divisors (see below), whose sum is σ = 164634982400. Its totient is φ = 17009455680.

The previous prime is 57123465491. The next prime is 57123465521. The reversal of 57123465516 is 61556432175.

57123465516 is a `hidden beast` number, since 5 + 7 + 123 + 4 + 6 + 5 + 516 = 666.

57123465516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57123465516² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612706 + ... + 699753.

Almost surely, 2^57123465516 is an apocalyptic number.

It is an amenable number.

57123465516 is an abundant number, since it is smaller than the sum of its proper divisors (107511516884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57123465516 is a wasteful number, since it uses less digits than its factorization.

57123465516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312516 (or 1312508 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The spelling of 57123465516 in words is "fifty-seven billion, one hundred twenty-three million, four hundred sixty-five thousand, five hundred sixteen".