51306652662 has 32 divisors (see below), whose sum is σ = 104180975712. Its totient is φ = 16842868224.

The previous prime is 51306652643. The next prime is 51306652729. The reversal of 51306652662 is 26625660315.

It is a super-2 number, since 2×51306652662² (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 15 ways as a sum of consecutive naturals, for example, 134553 + ... + 347444.

It is an arithmetic number, because the mean of its divisors is an integer number (3255655491).

Almost surely, 2^51306652662 is an apocalyptic number.

51306652662 is an abundant number, since it is smaller than the sum of its proper divisors (52874323050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51306652662 is a wasteful number, since it uses less digits than its factorization.

51306652662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482272.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 51306652662 in words is "fifty-one billion, three hundred six million, six hundred fifty-two thousand, six hundred sixty-two".