84464664640416 has 84 divisors (see below), whose sum is σ = 249320659468482. Its totient is φ = 28154888205696.

The previous prime is 84464664640387. The next prime is 84464664640487. The reversal of 84464664640416 is 61404646646448.

84464664640416 is a `hidden beast` number, since 8 + 44 + 64 + 6 + 64 + 64 + 0 + 416 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52027311296016 + 32437353344400 = 7212996^2 + 5695380^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 1810347571 + ... + 1810394226.

Almost surely, 2^{84464664640416} is an apocalyptic number.

It is an amenable number.

84464664640416 is an abundant number, since it is smaller than the sum of its proper divisors (164855994828066).

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

84464664640416 is an equidigital number, since it uses as much as digits as its factorization.

84464664640416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620741825 (or 3620741802 counting only the distinct ones).

The product of its (nonzero) digits is 254803968, while the sum is 63.

The spelling of 84464664640416 in words is "eighty-four trillion, four hundred sixty-four billion, six hundred sixty-four million, six hundred forty thousand, four hundred sixteen".