168890936 has 16 divisors (see below), whose sum is σ = 317181840. Its totient is φ = 84309120.

The previous prime is 168890923. The next prime is 168890959. The reversal of 168890936 is 639098861.

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, 11681 + ... + 21776.

It is an arithmetic number, because the mean of its divisors is an integer number (19823865).

Almost surely, 2^168890936 is an apocalyptic number.

It is an amenable number.

168890936 is a deficient number, since it is larger than the sum of its proper divisors (148290904).

168890936 is a wasteful number, since it uses less digits than its factorization.

168890936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34094 (or 34090 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 168890936 is about 12995.8045537781. The cubic root of 168890936 is about 552.7585227770.

The spelling of 168890936 in words is "one hundred sixty-eight million, eight hundred ninety thousand, nine hundred thirty-six".