166044210 has 16 divisors (see below), whose sum is σ = 398506176. Its totient is φ = 44278448.

The previous prime is 166044191. The next prime is 166044217. The reversal of 166044210 is 12440661.

It is not an unprimeable number, because it can be changed into a prime (166044217) 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, 2767374 + ... + 2767433.

It is an arithmetic number, because the mean of its divisors is an integer number (24906636).

Almost surely, 2^166044210 is an apocalyptic number.

166044210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166044210 is an abundant number, since it is smaller than the sum of its proper divisors (232461966).

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

166044210 is a wasteful number, since it uses less digits than its factorization.

166044210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534817.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 166044210 is about 12885.8142932451. The cubic root of 166044210 is about 549.6352512725.

Adding to 166044210 its reverse (12440661), we get a palindrome (178484871).

The spelling of 166044210 in words is "one hundred sixty-six million, forty-four thousand, two hundred ten".