66005882 has 24 divisors (see below), whose sum is σ = 104442240. Its totient is φ = 31253040.

The previous prime is 66005873. The next prime is 66005911. The reversal of 66005882 is 28850066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173969 + ... + 174347.

It is an arithmetic number, because the mean of its divisors is an integer number (4351760).

Almost surely, 2^66005882 is an apocalyptic number.

66005882 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66005882 is a deficient number, since it is larger than the sum of its proper divisors (38436358).

66005882 is a wasteful number, since it uses less digits than its factorization.

66005882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 66005882 is about 8124.4004086456. The cubic root of 66005882 is about 404.1360070459.

The spelling of 66005882 in words is "sixty-six million, five thousand, eight hundred eighty-two".