51216188161710 has 128 divisors (see below), whose sum is σ = 145510515279360. Its totient is φ = 11373476774400.

The previous prime is 51216188161709. The next prime is 51216188161729. The reversal of 51216188161710 is 1716188161215.

It is a super-2 number, since 2×51216188161710² (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 51216188161710.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45004825 + ... + 46128804.

It is an arithmetic number, because the mean of its divisors is an integer number (1136800900620).

Almost surely, 2^{51216188161710} is an apocalyptic number.

51216188161710 is an abundant number, since it is smaller than the sum of its proper divisors (94294327117650).

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

51216188161710 is a wasteful number, since it uses less digits than its factorization.

51216188161710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91133794.

The product of its (nonzero) digits is 161280, while the sum is 48.

The spelling of 51216188161710 in words is "fifty-one trillion, two hundred sixteen billion, one hundred eighty-eight million, one hundred sixty-one thousand, seven hundred ten".