65610051057 has 8 divisors (see below), whose sum is σ = 97200075680. Its totient is φ = 43740034020.

The previous prime is 65610051049. The next prime is 65610051083. The reversal of 65610051057 is 75015001656.

It is not a de Polignac number, because 65610051057 - 2³ = 65610051049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65610051557) 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, 1215000919 + ... + 1215000972.

It is an arithmetic number, because the mean of its divisors is an integer number (12150009460).

Almost surely, 2^65610051057 is an apocalyptic number.

It is an amenable number.

65610051057 is a deficient number, since it is larger than the sum of its proper divisors (31590024623).

65610051057 is a wasteful number, since it uses less digits than its factorization.

65610051057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430001900 (or 2430001894 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 65610051057 in words is "sixty-five billion, six hundred ten million, fifty-one thousand, fifty-seven".