168108604 has 6 divisors (see below), whose sum is σ = 294190064. Its totient is φ = 84054300.

The previous prime is 168108601. The next prime is 168108607. The reversal of 168108604 is 406801861.

It is an interprime number because it is at equal distance from previous prime (168108601) and next prime (168108607).

It is a self number, because there is not a number n which added to its sum of digits gives 168108604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168108601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21013572 + ... + 21013579.

Almost surely, 2^168108604 is an apocalyptic number.

It is an amenable number.

168108604 is a deficient number, since it is larger than the sum of its proper divisors (126081460).

168108604 is a wasteful number, since it uses less digits than its factorization.

168108604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42027155 (or 42027153 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 168108604 is about 12965.6702102128. The cubic root of 168108604 is about 551.9037105377.

The spelling of 168108604 in words is "one hundred sixty-eight million, one hundred eight thousand, six hundred four".