666013046 has 16 divisors (see below), whose sum is σ = 1060218720. Its totient is φ = 312696960.

The previous prime is 666013009. The next prime is 666013087. The reversal of 666013046 is 640310666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7385 + ... + 37236.

It is an arithmetic number, because the mean of its divisors is an integer number (66263670).

Almost surely, 2^666013046 is an apocalyptic number.

666013046 is a deficient number, since it is larger than the sum of its proper divisors (394205674).

666013046 is a wasteful number, since it uses less digits than its factorization.

666013046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45079.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 666013046 is about 25807.2285610059. The cubic root of 666013046 is about 873.2948762598.

The spelling of 666013046 in words is "six hundred sixty-six million, thirteen thousand, forty-six".