168958994 has 8 divisors (see below), whose sum is σ = 254191548. Its totient is φ = 84228480.

The previous prime is 168958981. The next prime is 168959009. The reversal of 168958994 is 499859861.

168958994 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 165765625 + 3193369 = 12875^2 + 1787^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 124667 + ... + 126014.

Almost surely, 2^168958994 is an apocalyptic number.

168958994 is a deficient number, since it is larger than the sum of its proper divisors (85232554).

168958994 is a wasteful number, since it uses less digits than its factorization.

168958994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251020.

The product of its digits is 5598720, while the sum is 59.

The square root of 168958994 is about 12998.4227504725. The cubic root of 168958994 is about 552.8327611945.

The spelling of 168958994 in words is "one hundred sixty-eight million, nine hundred fifty-eight thousand, nine hundred ninety-four".