57160515661 has 8 divisors (see below), whose sum is σ = 57314862144. Its totient is φ = 57006357600.

The previous prime is 57160515647. The next prime is 57160515673. The reversal of 57160515661 is 16651506175.

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 57160515661 - 2²¹ = 57158418509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57160515361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571336 + ... + 663886.

It is an arithmetic number, because the mean of its divisors is an integer number (7164357768).

Almost surely, 2^57160515661 is an apocalyptic number.

It is an amenable number.

57160515661 is a deficient number, since it is larger than the sum of its proper divisors (154346483).

57160515661 is a wasteful number, since it uses less digits than its factorization.

57160515661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94211.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 57160515661 in words is "fifty-seven billion, one hundred sixty million, five hundred fifteen thousand, six hundred sixty-one".