51718080416 has 48 divisors (see below), whose sum is σ = 107832803904. Its totient is φ = 24365535744.

The previous prime is 51718080413. The next prime is 51718080433. The reversal of 51718080416 is 61408081715.

It is a super-3 number, since 3×51718080416³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51718080413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475085 + ... + 573708.

It is an arithmetic number, because the mean of its divisors is an integer number (2246516748).

Almost surely, 2^51718080416 is an apocalyptic number.

It is an amenable number.

51718080416 is an abundant number, since it is smaller than the sum of its proper divisors (56114723488).

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

51718080416 is a wasteful number, since it uses less digits than its factorization.

51718080416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048893 (or 1048885 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 51718080416 in words is "fifty-one billion, seven hundred eighteen million, eighty thousand, four hundred sixteen".