51371168630 has 32 divisors (see below), whose sum is σ = 93445095744. Its totient is φ = 20331697536.

The previous prime is 51371168609. The next prime is 51371168659. The reversal of 51371168630 is 3686117315.

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, 1228832 + ... + 1269948.

It is an arithmetic number, because the mean of its divisors is an integer number (2920159242).

Almost surely, 2^51371168630 is an apocalyptic number.

51371168630 is a deficient number, since it is larger than the sum of its proper divisors (42073927114).

51371168630 is a wasteful number, since it uses less digits than its factorization.

51371168630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42440.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 51371168630 in words is "fifty-one billion, three hundred seventy-one million, one hundred sixty-eight thousand, six hundred thirty".