57731460661 has 16 divisors (see below), whose sum is σ = 69676959744. Its totient is φ = 46762342704.

The previous prime is 57731460653. The next prime is 57731460691. The reversal of 57731460661 is 16606413775.

It is not a de Polignac number, because 57731460661 - 2³ = 57731460653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57731460691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2146761 + ... + 2173486.

It is an arithmetic number, because the mean of its divisors is an integer number (4354809984).

Almost surely, 2^57731460661 is an apocalyptic number.

It is an amenable number.

57731460661 is a deficient number, since it is larger than the sum of its proper divisors (11945499083).

57731460661 is a wasteful number, since it uses less digits than its factorization.

57731460661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320360.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 57731460661 in words is "fifty-seven billion, seven hundred thirty-one million, four hundred sixty thousand, six hundred sixty-one".