64416394168 has 16 divisors (see below), whose sum is σ = 138035130480. Its totient is φ = 27607026048.

The previous prime is 64416394087. The next prime is 64416394183. The reversal of 64416394168 is 86149361446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575146321 + ... + 575146432.

It is an arithmetic number, because the mean of its divisors is an integer number (8627195655).

Almost surely, 2^64416394168 is an apocalyptic number.

It is an amenable number.

64416394168 is an abundant number, since it is smaller than the sum of its proper divisors (73618736312).

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

64416394168 is a wasteful number, since it uses less digits than its factorization.

64416394168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150292766 (or 1150292762 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The spelling of 64416394168 in words is "sixty-four billion, four hundred sixteen million, three hundred ninety-four thousand, one hundred sixty-eight".