57166712147 has 4 divisors (see below), whose sum is σ = 57176402400. Its totient is φ = 57157021896.

The previous prime is 57166712123. The next prime is 57166712149. The reversal of 57166712147 is 74121766175.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57166712147 - 2²² = 57162517843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57166712149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4836272 + ... + 4848077.

It is an arithmetic number, because the mean of its divisors is an integer number (14294100600).

Almost surely, 2^57166712147 is an apocalyptic number.

57166712147 is a deficient number, since it is larger than the sum of its proper divisors (9690253).

57166712147 is an equidigital number, since it uses as much as digits as its factorization.

57166712147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690252.

The product of its digits is 493920, while the sum is 47.

The spelling of 57166712147 in words is "fifty-seven billion, one hundred sixty-six million, seven hundred twelve thousand, one hundred forty-seven".