64338020213064 has 96 divisors (see below), whose sum is σ = 174784935610080. Its totient is φ = 19726361920512.

The previous prime is 64338020212969. The next prime is 64338020213119. The reversal of 64338020213064 is 46031202083346.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26877649 + ... + 29173344.

It is an arithmetic number, because the mean of its divisors is an integer number (1820676412605).

Almost surely, 2^{64338020213064} is an apocalyptic number.

It is an amenable number.

64338020213064 is an abundant number, since it is smaller than the sum of its proper divisors (110446915397016).

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

64338020213064 is a wasteful number, since it uses less digits than its factorization.

64338020213064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56051311 (or 56051294 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 64338020213064 in words is "sixty-four trillion, three hundred thirty-eight billion, twenty million, two hundred thirteen thousand, sixty-four".