168413228 has 12 divisors (see below), whose sum is σ = 295163232. Its totient is φ = 84080880.

The previous prime is 168413209. The next prime is 168413239. The reversal of 168413228 is 822314861.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28388 + ... + 33803.

It is an arithmetic number, because the mean of its divisors is an integer number (24596936).

Almost surely, 2^168413228 is an apocalyptic number.

It is an amenable number.

168413228 is a deficient number, since it is larger than the sum of its proper divisors (126750004).

168413228 is a wasteful number, since it uses less digits than its factorization.

168413228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62872 (or 62870 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 168413228 is about 12977.4122227816. The cubic root of 168413228 is about 552.2368714902.

The spelling of 168413228 in words is "one hundred sixty-eight million, four hundred thirteen thousand, two hundred twenty-eight".