51244166376 has 128 divisors (see below), whose sum is σ = 162311990400. Its totient is φ = 14839925760.

The previous prime is 51244166341. The next prime is 51244166377. The reversal of 51244166376 is 67366144215.

51244166376 is a `hidden beast` number, since 5 + 1 + 2 + 4 + 4 + 1 + 6 + 637 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (51244166377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489010 + ... + 584481.

It is an arithmetic number, because the mean of its divisors is an integer number (1268062425).

Almost surely, 2^51244166376 is an apocalyptic number.

It is an amenable number.

51244166376 is an abundant number, since it is smaller than the sum of its proper divisors (111067824024).

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

51244166376 is a wasteful number, since it uses less digits than its factorization.

51244166376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073536 (or 1073526 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 51244166376 in words is "fifty-one billion, two hundred forty-four million, one hundred sixty-six thousand, three hundred seventy-six".