64692113516352 has 336 divisors, whose sum is σ = 223105255551360. Its totient is φ = 17508004982784.

The previous prime is 64692113516321. The next prime is 64692113516399. The reversal of 64692113516352 is 25361531129646.

64692113516352 is a `hidden beast` number, since 6 + 4 + 6 + 9 + 2 + 113 + 516 + 3 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 537191698 + ... + 537312110.

It is an arithmetic number, because the mean of its divisors is an integer number (664003736760).

Almost surely, 2^{64692113516352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64692113516352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111552627775680).

64692113516352 is an abundant number, since it is smaller than the sum of its proper divisors (158413142035008).

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

64692113516352 is a wasteful number, since it uses less digits than its factorization.

64692113516352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127470 (or 127457 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 64692113516352 in words is "sixty-four trillion, six hundred ninety-two billion, one hundred thirteen million, five hundred sixteen thousand, three hundred fifty-two".