166113304 has 64 divisors (see below), whose sum is σ = 370137600. Its totient is φ = 68409600.

The previous prime is 166113287. The next prime is 166113319. The reversal of 166113304 is 403311661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162507 + ... + 163525.

It is an arithmetic number, because the mean of its divisors is an integer number (5783400).

Almost surely, 2^166113304 is an apocalyptic number.

166113304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166113304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185068800).

166113304 is an abundant number, since it is smaller than the sum of its proper divisors (204024296).

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

166113304 is a wasteful number, since it uses less digits than its factorization.

166113304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 166113304 is about 12888.4950246334. The cubic root of 166113304 is about 549.7114784245.

Adding to 166113304 its reverse (403311661), we get a palindrome (569424965).

The spelling of 166113304 in words is "one hundred sixty-six million, one hundred thirteen thousand, three hundred four".