72416246157664 has 24 divisors (see below), whose sum is σ = 142569979514928. Its totient is φ = 36207997392000.

The previous prime is 72416246157587. The next prime is 72416246157839. The reversal of 72416246157664 is 46675164261427.

It is a super-2 number, since 2×72416246157664² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5806069 + ... + 13361995.

It is an arithmetic number, because the mean of its divisors is an integer number (5940415813122).

Almost surely, 2^{72416246157664} is an apocalyptic number.

It is an amenable number.

72416246157664 is a deficient number, since it is larger than the sum of its proper divisors (70153733357264).

72416246157664 is a wasteful number, since it uses less digits than its factorization.

72416246157664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855438 (or 7855430 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 61.

The spelling of 72416246157664 in words is "seventy-two trillion, four hundred sixteen billion, two hundred forty-six million, one hundred fifty-seven thousand, six hundred sixty-four".