168873402 has 32 divisors (see below), whose sum is σ = 351302400. Its totient is φ = 54070848.

The previous prime is 168873401. The next prime is 168873403. The reversal of 168873402 is 204378861.

It is an interprime number because it is at equal distance from previous prime (168873401) and next prime (168873403).

It is not an unprimeable number, because it can be changed into a prime (168873401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12724 + ... + 22352.

It is an arithmetic number, because the mean of its divisors is an integer number (10978200).

Almost surely, 2^168873402 is an apocalyptic number.

168873402 is an abundant number, since it is smaller than the sum of its proper divisors (182428998).

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

168873402 is a wasteful number, since it uses less digits than its factorization.

168873402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9750.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 168873402 is about 12995.1299339406. The cubic root of 168873402 is about 552.7393932654.

The spelling of 168873402 in words is "one hundred sixty-eight million, eight hundred seventy-three thousand, four hundred two".