64512603320316 has 48 divisors (see below), whose sum is σ = 153370636683264. Its totient is φ = 21098316822336.

The previous prime is 64512603320281. The next prime is 64512603320393. The reversal of 64512603320316 is 61302330621546.

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, 132176061 + ... + 132663243.

It is an arithmetic number, because the mean of its divisors is an integer number (3195221597568).

Almost surely, 2^{64512603320316} is an apocalyptic number.

It is an amenable number.

64512603320316 is an abundant number, since it is smaller than the sum of its proper divisors (88858033362948).

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

64512603320316 is a wasteful number, since it uses less digits than its factorization.

64512603320316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695450 (or 695448 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 64512603320316 in words is "sixty-four trillion, five hundred twelve billion, six hundred three million, three hundred twenty thousand, three hundred sixteen".