8638467396416 has 56 divisors (see below), whose sum is σ = 20138804694624. Its totient is φ = 3624531770880.

The previous prime is 8638467396413. The next prime is 8638467396431. The reversal of 8638467396416 is 6146937648368.

It is a self number, because there is not a number n which added to its sum of digits gives 8638467396416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8638467396413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471935090 + ... + 471953393.

It is an arithmetic number, because the mean of its divisors is an integer number (359621512404).

Almost surely, 2^{8638467396416} is an apocalyptic number.

It is an amenable number.

8638467396416 is an abundant number, since it is smaller than the sum of its proper divisors (11500337298208).

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

8638467396416 is a wasteful number, since it uses less digits than its factorization.

8638467396416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943888519 (or 943888509 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 71.

The spelling of 8638467396416 in words is "eight trillion, six hundred thirty-eight billion, four hundred sixty-seven million, three hundred ninety-six thousand, four hundred sixteen".