168670226 has 12 divisors (see below), whose sum is σ = 268764378. Its totient is φ = 79373952.

The previous prime is 168670213. The next prime is 168670231. The reversal of 168670226 is 622076861.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 159997201 + 8673025 = 12649^2 + 2945^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 168670226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145331 + ... + 146486.

Almost surely, 2^168670226 is an apocalyptic number.

168670226 is a deficient number, since it is larger than the sum of its proper divisors (100094152).

168670226 is a wasteful number, since it uses less digits than its factorization.

168670226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291853 (or 291836 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 168670226 is about 12987.3101911058. The cubic root of 168670226 is about 552.5176325734.

The spelling of 168670226 in words is "one hundred sixty-eight million, six hundred seventy thousand, two hundred twenty-six".