168213934 has 8 divisors (see below), whose sum is σ = 288366768. Its totient is φ = 72091680.

The previous prime is 168213917. The next prime is 168213959. The reversal of 168213934 is 439312861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 168213893 and 168213902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6007627 + ... + 6007654.

It is an arithmetic number, because the mean of its divisors is an integer number (36045846).

Almost surely, 2^168213934 is an apocalyptic number.

168213934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

168213934 is a deficient number, since it is larger than the sum of its proper divisors (120152834).

168213934 is a wasteful number, since it uses less digits than its factorization.

168213934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12015290.

The product of its digits is 31104, while the sum is 37.

The square root of 168213934 is about 12969.7314544288. The cubic root of 168213934 is about 552.0189532630.

The spelling of 168213934 in words is "one hundred sixty-eight million, two hundred thirteen thousand, nine hundred thirty-four".