51416365833838 has 8 divisors (see below), whose sum is σ = 77136058179720. Its totient is φ = 25704346440600.

The previous prime is 51416365833821. The next prime is 51416365833863. The reversal of 51416365833838 is 83833856361415.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51416365833838² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51416365833838.

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, 1918221408 + ... + 1918248211.

It is an arithmetic number, because the mean of its divisors is an integer number (9642007272465).

Almost surely, 2^{51416365833838} is an apocalyptic number.

51416365833838 is a deficient number, since it is larger than the sum of its proper divisors (25719692345882).

51416365833838 is a wasteful number, since it uses less digits than its factorization.

51416365833838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836476322.

The product of its digits is 149299200, while the sum is 64.

The spelling of 51416365833838 in words is "fifty-one trillion, four hundred sixteen billion, three hundred sixty-five million, eight hundred thirty-three thousand, eight hundred thirty-eight".