168878226 has 32 divisors (see below), whose sum is σ = 369266688. Its totient is φ = 51063440.

The previous prime is 168878201. The next prime is 168878233. The reversal of 168878226 is 622878861.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30655 + ... + 35741.

It is an arithmetic number, because the mean of its divisors is an integer number (11539584).

Almost surely, 2^168878226 is an apocalyptic number.

168878226 is an abundant number, since it is smaller than the sum of its proper divisors (200388462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168878226 is a wasteful number, since it uses less digits than its factorization.

168878226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606.

The product of its digits is 516096, while the sum is 48.

The square root of 168878226 is about 12995.3155406092. The cubic root of 168878226 is about 552.7446563587.

The spelling of 168878226 in words is "one hundred sixty-eight million, eight hundred seventy-eight thousand, two hundred twenty-six".