166342249 has 16 divisors (see below), whose sum is σ = 176463360. Its totient is φ = 156574080.

The previous prime is 166342243. The next prime is 166342301. The reversal of 166342249 is 942243661.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 166342249 - 2⁵ = 166342217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166342243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224722 + ... + 225460.

It is an arithmetic number, because the mean of its divisors is an integer number (11028960).

Almost surely, 2^166342249 is an apocalyptic number.

It is an amenable number.

166342249 is a deficient number, since it is larger than the sum of its proper divisors (10121111).

166342249 is a wasteful number, since it uses less digits than its factorization.

166342249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960.

The product of its digits is 62208, while the sum is 37.

The square root of 166342249 is about 12897.3737249100. The cubic root of 166342249 is about 549.9639083755.

The spelling of 166342249 in words is "one hundred sixty-six million, three hundred forty-two thousand, two hundred forty-nine".