57161207616 has 56 divisors (see below), whose sum is σ = 151268119104. Its totient is φ = 19050071040.

The previous prime is 57161207591. The next prime is 57161207627. The reversal of 57161207616 is 61670216175.

It is a super-2 number, since 2×57161207616² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084596 + ... + 1136076.

Almost surely, 2^57161207616 is an apocalyptic number.

It is an amenable number.

57161207616 is an abundant number, since it is smaller than the sum of its proper divisors (94106911488).

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

57161207616 is a wasteful number, since it uses less digits than its factorization.

57161207616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57279 (or 57269 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 57161207616 in words is "fifty-seven billion, one hundred sixty-one million, two hundred seven thousand, six hundred sixteen".