51622601516 has 12 divisors (see below), whose sum is σ = 91820529360. Its totient is φ = 25388164560.

The previous prime is 51622601507. The next prime is 51622601543. The reversal of 51622601516 is 61510622615.

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, 105783776 + ... + 105784263.

It is an arithmetic number, because the mean of its divisors is an integer number (7651710780).

Almost surely, 2^51622601516 is an apocalyptic number.

It is an amenable number.

51622601516 is a deficient number, since it is larger than the sum of its proper divisors (40197927844).

51622601516 is a wasteful number, since it uses less digits than its factorization.

51622601516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211568104 (or 211568102 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 51622601516 in words is "fifty-one billion, six hundred twenty-two million, six hundred one thousand, five hundred sixteen".