168340504 has 8 divisors (see below), whose sum is σ = 315638460. Its totient is φ = 84170248.

The previous prime is 168340489. The next prime is 168340553. The reversal of 168340504 is 405043861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10521274 + ... + 10521289.

Almost surely, 2^168340504 is an apocalyptic number.

It is an amenable number.

168340504 is a deficient number, since it is larger than the sum of its proper divisors (147297956).

168340504 is a wasteful number, since it uses less digits than its factorization.

168340504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21042569 (or 21042565 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 168340504 is about 12974.6099748702. The cubic root of 168340504 is about 552.1573712894.

The spelling of 168340504 in words is "one hundred sixty-eight million, three hundred forty thousand, five hundred four".