168368208 has 20 divisors (see below), whose sum is σ = 434951328. Its totient is φ = 56122720.

The previous prime is 168368203. The next prime is 168368209. The reversal of 168368208 is 802863861.

It is a self number, because there is not a number n which added to its sum of digits gives 168368208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168368201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1753788 + ... + 1753883.

Almost surely, 2^168368208 is an apocalyptic number.

It is an amenable number.

168368208 is an abundant number, since it is smaller than the sum of its proper divisors (266583120).

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

168368208 is a wasteful number, since it uses less digits than its factorization.

168368208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507682 (or 3507676 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 168368208 is about 12975.6775545634. The cubic root of 168368208 is about 552.1876593630.

The spelling of 168368208 in words is "one hundred sixty-eight million, three hundred sixty-eight thousand, two hundred eight".