168959628 has 48 divisors (see below), whose sum is σ = 461104000. Its totient is φ = 53355024.

The previous prime is 168959621. The next prime is 168959639. The reversal of 168959628 is 826959861.

It is a happy number.

168959628 is a `hidden beast` number, since 1 + 6 + 8 + 9 + 5 + 9 + 628 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (168959621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39118 + ... + 43221.

Almost surely, 2^168959628 is an apocalyptic number.

168959628 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

168959628 is an abundant number, since it is smaller than the sum of its proper divisors (292144372).

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

168959628 is a wasteful number, since it uses less digits than its factorization.

168959628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82371 (or 82363 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 168959628 is about 12998.4471380238. The cubic root of 168959628 is about 552.8334526750.

The spelling of 168959628 in words is "one hundred sixty-eight million, nine hundred fifty-nine thousand, six hundred twenty-eight".