51413164992 has 140 divisors (see below), whose sum is σ = 174176954160. Its totient is φ = 14689465344.

The previous prime is 51413164981. The next prime is 51413165099. The reversal of 51413164992 is 29946131415.

51413164992 is a `hidden beast` number, since 5 + 141 + 3 + 16 + 499 + 2 = 666.

It is a super-2 number, since 2×51413164992² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 672117 + ... + 744692.

Almost surely, 2^51413164992 is an apocalyptic number.

It is an amenable number.

51413164992 is an abundant number, since it is smaller than the sum of its proper divisors (122763789168).

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

51413164992 is a wasteful number, since it uses less digits than its factorization.

51413164992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416840 (or 1416821 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 51413164992 in words is "fifty-one billion, four hundred thirteen million, one hundred sixty-four thousand, nine hundred ninety-two".