64220014616 has 64 divisors (see below), whose sum is σ = 125764531200. Its totient is φ = 30717687168.

The previous prime is 64220014609. The next prime is 64220014631. The reversal of 64220014616 is 61641002246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5616281 + ... + 5627703.

It is an arithmetic number, because the mean of its divisors is an integer number (1965070800).

Almost surely, 2^64220014616 is an apocalyptic number.

It is an amenable number.

64220014616 is a deficient number, since it is larger than the sum of its proper divisors (61544516584).

64220014616 is a wasteful number, since it uses less digits than its factorization.

64220014616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11808 (or 11804 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 64220014616 in words is "sixty-four billion, two hundred twenty million, fourteen thousand, six hundred sixteen".