57166713365 has 8 divisors (see below), whose sum is σ = 72635353560. Its totient is φ = 43043172352.

The previous prime is 57166713361. The next prime is 57166713377. The reversal of 57166713365 is 56331766175.

It can be written as a sum of positive squares in 4 ways, for example, as 2129084164 + 55037629201 = 46142^2 + 234601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57166713365 - 2² = 57166713361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57166713361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336274700 + ... + 336274869.

It is an arithmetic number, because the mean of its divisors is an integer number (9079419195).

Almost surely, 2^57166713365 is an apocalyptic number.

It is an amenable number.

57166713365 is a deficient number, since it is larger than the sum of its proper divisors (15468640195).

57166713365 is a wasteful number, since it uses less digits than its factorization.

57166713365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672549591.

The product of its digits is 2381400, while the sum is 50.

The spelling of 57166713365 in words is "fifty-seven billion, one hundred sixty-six million, seven hundred thirteen thousand, three hundred sixty-five".