166315244 has 12 divisors (see below), whose sum is σ = 291878664. Its totient is φ = 82921344.

The previous prime is 166315213. The next prime is 166315291. The reversal of 166315244 is 442513661.

It is a self number, because there is not a number n which added to its sum of digits gives 166315244.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57482 + ... + 60305.

It is an arithmetic number, because the mean of its divisors is an integer number (24323222).

Almost surely, 2^166315244 is an apocalyptic number.

It is an amenable number.

166315244 is a deficient number, since it is larger than the sum of its proper divisors (125563420).

166315244 is a wasteful number, since it uses less digits than its factorization.

166315244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118144 (or 118142 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 166315244 is about 12896.3267638502. The cubic root of 166315244 is about 549.9341452832.

The spelling of 166315244 in words is "one hundred sixty-six million, three hundred fifteen thousand, two hundred forty-four".