51163621524066 has 16 divisors (see below), whose sum is σ = 102327512916384. Its totient is φ = 17054495529984.

The previous prime is 51163621524011. The next prime is 51163621524091. The reversal of 51163621524066 is 66042512636115.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8736856 + ... + 13366371.

It is an arithmetic number, because the mean of its divisors is an integer number (6395469557274).

Almost surely, 2^{51163621524066} is an apocalyptic number.

51163621524066 is an abundant number, since it is smaller than the sum of its proper divisors (51163891392318).

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

51163621524066 is a wasteful number, since it uses less digits than its factorization.

51163621524066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22489025.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 51163621524066 in words is "fifty-one trillion, one hundred sixty-three billion, six hundred twenty-one million, five hundred twenty-four thousand, sixty-six".