168971322 has 32 divisors (see below), whose sum is σ = 364851648. Its totient is φ = 51860736.

The previous prime is 168971293. The next prime is 168971323. The reversal of 168971322 is 223179861.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (168971323) 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 15 ways as a sum of consecutive naturals, for example, 31273 + ... + 36275.

It is an arithmetic number, because the mean of its divisors is an integer number (11401614).

Almost surely, 2^168971322 is an apocalyptic number.

168971322 is an abundant number, since it is smaller than the sum of its proper divisors (195880326).

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

168971322 is a wasteful number, since it uses less digits than its factorization.

168971322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454.

The product of its digits is 36288, while the sum is 39.

The square root of 168971322 is about 12998.8969532034. The cubic root of 168971322 is about 552.8462065802.

The spelling of 168971322 in words is "one hundred sixty-eight million, nine hundred seventy-one thousand, three hundred twenty-two".