166968235 has 48 divisors (see below), whose sum is σ = 242973216. Its totient is φ = 109734912.

The previous prime is 166968227. The next prime is 166968239. The reversal of 166968235 is 532869661.

It is not a de Polignac number, because 166968235 - 2³ = 166968227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166968239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1024264 + ... + 1024426.

It is an arithmetic number, because the mean of its divisors is an integer number (5061942).

Almost surely, 2^166968235 is an apocalyptic number.

166968235 is a deficient number, since it is larger than the sum of its proper divisors (76004981).

166968235 is a wasteful number, since it uses less digits than its factorization.

166968235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 325 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 166968235 is about 12921.6189001224. The cubic root of 166968235 is about 550.6529270567.

The spelling of 166968235 in words is "one hundred sixty-six million, nine hundred sixty-eight thousand, two hundred thirty-five".