66064608805088 has 24 divisors (see below), whose sum is σ = 136910209038120. Its totient is φ = 31293762065280.

The previous prime is 66064608805087. The next prime is 66064608805109. The reversal of 66064608805088 is 88050880646066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66064608805087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54329447423 + ... + 54329448638.

It is an arithmetic number, because the mean of its divisors is an integer number (5704592043255).

Almost surely, 2^{66064608805088} is an apocalyptic number.

It is an amenable number.

66064608805088 is an abundant number, since it is smaller than the sum of its proper divisors (70845600233032).

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

66064608805088 is a wasteful number, since it uses less digits than its factorization.

66064608805088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108658896090 (or 108658896082 counting only the distinct ones).

The product of its (nonzero) digits is 106168320, while the sum is 65.

The spelling of 66064608805088 in words is "sixty-six trillion, sixty-four billion, six hundred eight million, eight hundred five thousand, eighty-eight".