64015324205416 has 8 divisors (see below), whose sum is σ = 120028732885170. Its totient is φ = 32007662102704.

The previous prime is 64015324205353. The next prime is 64015324205423. The reversal of 64015324205416 is 61450242351046.

It can be written as a sum of positive squares in only one way, i.e., 61705015404516 + 2310308800900 = 7855254^2 + 1519970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4000957762831 + ... + 4000957762846.

Almost surely, 2^{64015324205416} is an apocalyptic number.

It is an amenable number.

64015324205416 is a deficient number, since it is larger than the sum of its proper divisors (56013408679754).

64015324205416 is a wasteful number, since it uses less digits than its factorization.

64015324205416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001915525683 (or 8001915525679 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 64015324205416 in words is "sixty-four trillion, fifteen billion, three hundred twenty-four million, two hundred five thousand, four hundred sixteen".