666113316 has 24 divisors (see below), whose sum is σ = 1695561504. Its totient is φ = 201852480.

The previous prime is 666113311. The next prime is 666113359. The reversal of 666113316 is 613311666.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (666113311) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2523025 + ... + 2523288.

It is an arithmetic number, because the mean of its divisors is an integer number (70648396).

Almost surely, 2^666113316 is an apocalyptic number.

666113316 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

666113316 is an abundant number, since it is smaller than the sum of its proper divisors (1029448188).

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

666113316 is a wasteful number, since it uses less digits than its factorization.

666113316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046331 (or 5046329 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 666113316 is about 25809.1711606553. The cubic root of 666113316 is about 873.3386996673.

The spelling of 666113316 in words is "six hundred sixty-six million, one hundred thirteen thousand, three hundred sixteen".