66005106180 has 48 divisors (see below), whose sum is σ = 199030784064. Its totient is φ = 16247410560.

The previous prime is 66005106161. The next prime is 66005106229. The reversal of 66005106180 is 8160150066.

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, 42310186 + ... + 42311745.

It is an arithmetic number, because the mean of its divisors is an integer number (4146474668).

Almost surely, 2^66005106180 is an apocalyptic number.

66005106180 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66005106180 is an abundant number, since it is smaller than the sum of its proper divisors (133025677884).

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

66005106180 is a wasteful number, since it uses less digits than its factorization.

66005106180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84621956 (or 84621954 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 66005106180 in words is "sixty-six billion, five million, one hundred six thousand, one hundred eighty".