29168138226 has 32 divisors (see below), whose sum is σ = 58705086528. Its totient is φ = 9661435200.

The previous prime is 29168138189. The next prime is 29168138239. The reversal of 29168138226 is 62283186192.

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, 596401 + ... + 643451.

It is an arithmetic number, because the mean of its divisors is an integer number (1834533954).

Almost surely, 2^29168138226 is an apocalyptic number.

29168138226 is an abundant number, since it is smaller than the sum of its proper divisors (29536948302).

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

29168138226 is a wasteful number, since it uses less digits than its factorization.

29168138226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47706.

The product of its digits is 497664, while the sum is 48.

The spelling of 29168138226 in words is "twenty-nine billion, one hundred sixty-eight million, one hundred thirty-eight thousand, two hundred twenty-six".