66110534114560 has 144 divisors (see below), whose sum is σ = 171838384058880. Its totient is φ = 24223706357760.

The previous prime is 66110534114477. The next prime is 66110534114579. The reversal of 66110534114560 is 6541143501166.

It is a happy number.

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, 12984240 + ... + 17343919.

It is an arithmetic number, because the mean of its divisors is an integer number (1193322111520).

Almost surely, 2^{66110534114560} is an apocalyptic number.

It is an amenable number.

66110534114560 is an abundant number, since it is smaller than the sum of its proper divisors (105727849944320).

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

66110534114560 is a wasteful number, since it uses less digits than its factorization.

66110534114560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30328324 (or 30328310 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 66110534114560 in words is "sixty-six trillion, one hundred ten billion, five hundred thirty-four million, one hundred fourteen thousand, five hundred sixty".