168318970 has 16 divisors (see below), whose sum is σ = 303122088. Its totient is φ = 67294720.

The previous prime is 168318907. The next prime is 168318971. The reversal of 168318970 is 79813861.

168318970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 92332881 + 75986089 = 9609^2 + 8717^2 .

It is not an unprimeable number, because it can be changed into a prime (168318971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36642 + ... + 40978.

Almost surely, 2^168318970 is an apocalyptic number.

168318970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168318970 is a deficient number, since it is larger than the sum of its proper divisors (134803118).

168318970 is a wasteful number, since it uses less digits than its factorization.

168318970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 168318970 is about 12973.7800967952. The cubic root of 168318970 is about 552.1338264233.

The spelling of 168318970 in words is "one hundred sixty-eight million, three hundred eighteen thousand, nine hundred seventy".