64790207000064 has 480 divisors, whose sum is σ = 234040985418240. Its totient is φ = 16797901602816.

The previous prime is 64790207000053. The next prime is 64790207000081. The reversal of 64790207000064 is 46000070209746.

It is a super-2 number, since 2×64790207000064² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64790206999983 and 64790207000019.

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, 23430949 + ... + 26049755.

It is an arithmetic number, because the mean of its divisors is an integer number (487585386288).

Almost surely, 2^{64790207000064} is an apocalyptic number.

64790207000064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64790207000064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117020492709120).

64790207000064 is an abundant number, since it is smaller than the sum of its proper divisors (169250778418176).

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

64790207000064 is a wasteful number, since it uses less digits than its factorization.

64790207000064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618910 (or 2618891 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 64790207000064 in words is "sixty-four trillion, seven hundred ninety billion, two hundred seven million, sixty-four", and thus it is an aban number.