66115100633160 has 128 divisors (see below), whose sum is σ = 198469230151680. Its totient is φ = 17619679961088.

The previous prime is 66115100633129. The next prime is 66115100633189. The reversal of 66115100633160 is 6133600151166.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3218365849 + ... + 3218386391.

It is an arithmetic number, because the mean of its divisors is an integer number (1550540860560).

Almost surely, 2^{66115100633160} is an apocalyptic number.

66115100633160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66115100633160 is an abundant number, since it is smaller than the sum of its proper divisors (132354129518520).

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

66115100633160 is a wasteful number, since it uses less digits than its factorization.

66115100633160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36007 (or 36003 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 66115100633160 in words is "sixty-six trillion, one hundred fifteen billion, one hundred million, six hundred thirty-three thousand, one hundred sixty".