168668704 has 24 divisors (see below), whose sum is σ = 339791760. Its totient is φ = 82372416.

The previous prime is 168668693. The next prime is 168668723. The reversal of 168668704 is 407866861.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 59914 + ... + 62665.

It is an arithmetic number, because the mean of its divisors is an integer number (14157990).

Almost surely, 2^168668704 is an apocalyptic number.

It is an amenable number.

168668704 is an abundant number, since it is smaller than the sum of its proper divisors (171123056).

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

168668704 is a wasteful number, since it uses less digits than its factorization.

168668704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122632 (or 122624 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 168668704 is about 12987.2515953145. The cubic root of 168668704 is about 552.5159706828.

The spelling of 168668704 in words is "one hundred sixty-eight million, six hundred sixty-eight thousand, seven hundred four".