64416505422 has 16 divisors (see below), whose sum is σ = 129308412672. Its totient is φ = 21392934840.

The previous prime is 64416505409. The next prime is 64416505471. The reversal of 64416505422 is 22450561446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19806648 + ... + 19809899.

It is an arithmetic number, because the mean of its divisors is an integer number (8081775792).

Almost surely, 2^64416505422 is an apocalyptic number.

64416505422 is an abundant number, since it is smaller than the sum of its proper divisors (64891907250).

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

64416505422 is a wasteful number, since it uses less digits than its factorization.

64416505422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39616823.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 64416505422 in words is "sixty-four billion, four hundred sixteen million, five hundred five thousand, four hundred twenty-two".