64747362216 has 16 divisors (see below), whose sum is σ = 161868405600. Its totient is φ = 21582454064.

The previous prime is 64747362167. The next prime is 64747362223. The reversal of 64747362216 is 61226374746.

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, 1348903356 + ... + 1348903403.

It is an arithmetic number, because the mean of its divisors is an integer number (10116775350).

Almost surely, 2^64747362216 is an apocalyptic number.

It is an amenable number.

64747362216 is an abundant number, since it is smaller than the sum of its proper divisors (97121043384).

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

64747362216 is a wasteful number, since it uses less digits than its factorization.

64747362216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697806768 (or 2697806764 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 48.

The spelling of 64747362216 in words is "sixty-four billion, seven hundred forty-seven million, three hundred sixty-two thousand, two hundred sixteen".