166226347 has 32 divisors (see below), whose sum is σ = 204019200. Its totient is φ = 132427008.

The previous prime is 166226339. The next prime is 166226351. The reversal of 166226347 is 743622661.

It is not a de Polignac number, because 166226347 - 2³ = 166226339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166226317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1195804 + ... + 1195942.

It is an arithmetic number, because the mean of its divisors is an integer number (6375600).

Almost surely, 2^166226347 is an apocalyptic number.

166226347 is a deficient number, since it is larger than the sum of its proper divisors (37792853).

166226347 is a wasteful number, since it uses less digits than its factorization.

166226347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its digits is 72576, while the sum is 37.

The square root of 166226347 is about 12892.8797016027. The cubic root of 166226347 is about 549.8361462315.

The spelling of 166226347 in words is "one hundred sixty-six million, two hundred twenty-six thousand, three hundred forty-seven".