168350018 has 24 divisors (see below), whose sum is σ = 270489996. Its totient is φ = 78531200.

The previous prime is 168350011. The next prime is 168350023. The reversal of 168350018 is 810053861.

168350018 is digitally balanced in base 3, 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 2 ways, for example, as 160604929 + 7745089 = 12673^2 + 2783^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (168350011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41438 + ... + 45318.

Almost surely, 2^168350018 is an apocalyptic number.

168350018 is a deficient number, since it is larger than the sum of its proper divisors (102139978).

168350018 is a wasteful number, since it uses less digits than its factorization.

168350018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3947 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 168350018 is about 12974.9766088421. The cubic root of 168350018 is about 552.1677730765.

The spelling of 168350018 in words is "one hundred sixty-eight million, three hundred fifty thousand, eighteen".