166323030 has 16 divisors (see below), whose sum is σ = 399175344. Its totient is φ = 44352800.

The previous prime is 166323007. The next prime is 166323037. The reversal of 166323030 is 30323661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166323037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2772021 + ... + 2772080.

It is an arithmetic number, because the mean of its divisors is an integer number (24948459).

Almost surely, 2^166323030 is an apocalyptic number.

166323030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166323030 is an abundant number, since it is smaller than the sum of its proper divisors (232852314).

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

166323030 is a wasteful number, since it uses less digits than its factorization.

166323030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544111.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 166323030 is about 12896.6286292193. The cubic root of 166323030 is about 549.9427268185.

Adding to 166323030 its reverse (30323661), we get a palindrome (196646691).

The spelling of 166323030 in words is "one hundred sixty-six million, three hundred twenty-three thousand, thirty".