666182274 has 32 divisors (see below), whose sum is σ = 1340978496. Its totient is φ = 220631040.

The previous prime is 666182249. The next prime is 666182303. The reversal of 666182274 is 472281666.

It is a super-2 number, since 2×666182274² = 887597644383622152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154274 + ... + 1154850.

It is an arithmetic number, because the mean of its divisors is an integer number (41905578).

Almost surely, 2^666182274 is an apocalyptic number.

666182274 is an abundant number, since it is smaller than the sum of its proper divisors (674796222).

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

666182274 is a wasteful number, since it uses less digits than its factorization.

666182274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490.

The product of its digits is 193536, while the sum is 42.

The square root of 666182274 is about 25810.5070465499. The cubic root of 666182274 is about 873.3688354868.

The spelling of 666182274 in words is "six hundred sixty-six million, one hundred eighty-two thousand, two hundred seventy-four".