51349166944 has 24 divisors (see below), whose sum is σ = 107040360168. Its totient is φ = 24164313600.

The previous prime is 51349166899. The next prime is 51349166983. The reversal of 51349166944 is 44966194315.

51349166944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51349166891 and 51349166900.

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, 47195382 + ... + 47196469.

It is an arithmetic number, because the mean of its divisors is an integer number (4460015007).

Almost surely, 2^51349166944 is an apocalyptic number.

It is an amenable number.

51349166944 is an abundant number, since it is smaller than the sum of its proper divisors (55691193224).

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

51349166944 is a wasteful number, since it uses less digits than its factorization.

51349166944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94391878 (or 94391870 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The spelling of 51349166944 in words is "fifty-one billion, three hundred forty-nine million, one hundred sixty-six thousand, nine hundred forty-four".