166004115 has 16 divisors (see below), whose sum is σ = 267369216. Its totient is φ = 87948000.

The previous prime is 166004081. The next prime is 166004171. The reversal of 166004115 is 511400661.

It is not a de Polignac number, because 166004115 - 2⁷ = 166003987 is a prime.

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, 34381 + ... + 38910.

It is an arithmetic number, because the mean of its divisors is an integer number (16710576).

Almost surely, 2^166004115 is an apocalyptic number.

166004115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

166004115 is a deficient number, since it is larger than the sum of its proper divisors (101365101).

166004115 is a wasteful number, since it uses less digits than its factorization.

166004115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73450.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 166004115 is about 12884.2584187061. The cubic root of 166004115 is about 549.5910072336.

Adding to 166004115 its reverse (511400661), we get a palindrome (677404776).

The spelling of 166004115 in words is "one hundred sixty-six million, four thousand, one hundred fifteen".