57161610512 has 40 divisors (see below), whose sum is σ = 112286771520. Its totient is φ = 28187107200.

The previous prime is 57161610503. The next prime is 57161610529. The reversal of 57161610512 is 21501616175.

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, 250718 + ... + 420930.

It is an arithmetic number, because the mean of its divisors is an integer number (2807169288).

Almost surely, 2^57161610512 is an apocalyptic number.

It is an amenable number.

57161610512 is a deficient number, since it is larger than the sum of its proper divisors (55125161008).

57161610512 is a wasteful number, since it uses less digits than its factorization.

57161610512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170511 (or 170505 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 57161610512 in words is "fifty-seven billion, one hundred sixty-one million, six hundred ten thousand, five hundred twelve".