51310464116 has 12 divisors (see below), whose sum is σ = 89805354660. Its totient is φ = 25651791360.

The previous prime is 51310464083. The next prime is 51310464167. The reversal of 51310464116 is 61146401315.

It can be written as a sum of positive squares in 2 ways, for example, as 41351222500 + 9959241616 = 203350^2 + 99796^2 .

It is a super-2 number, since 2×51310464116² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826475 + ... + 886386.

It is an arithmetic number, because the mean of its divisors is an integer number (7483779555).

Almost surely, 2^51310464116 is an apocalyptic number.

It is an amenable number.

51310464116 is a deficient number, since it is larger than the sum of its proper divisors (38494890544).

51310464116 is a wasteful number, since it uses less digits than its factorization.

51310464116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720354 (or 1720352 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 51310464116 in words is "fifty-one billion, three hundred ten million, four hundred sixty-four thousand, one hundred sixteen".