168913422 has 24 divisors (see below), whose sum is σ = 366326064. Its totient is φ = 56251104.

The previous prime is 168913421. The next prime is 168913427. The reversal of 168913422 is 224319861.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168913421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18178 + ... + 25850.

It is an arithmetic number, because the mean of its divisors is an integer number (15263586).

Almost surely, 2^168913422 is an apocalyptic number.

168913422 is an abundant number, since it is smaller than the sum of its proper divisors (197412642).

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

168913422 is a wasteful number, since it uses less digits than its factorization.

168913422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8904 (or 8901 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 168913422 is about 12996.6696503374. The cubic root of 168913422 is about 552.7830529597.

The spelling of 168913422 in words is "one hundred sixty-eight million, nine hundred thirteen thousand, four hundred twenty-two".