168493164 has 36 divisors (see below), whose sum is σ = 457340184. Its totient is φ = 48140736.

The previous prime is 168493151. The next prime is 168493183. The reversal of 168493164 is 461394861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142689 + ... + 143864.

It is an arithmetic number, because the mean of its divisors is an integer number (12703894).

Almost surely, 2^168493164 is an apocalyptic number.

168493164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

168493164 is an abundant number, since it is smaller than the sum of its proper divisors (288847020).

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

168493164 is a wasteful number, since it uses less digits than its factorization.

168493164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286574 (or 286565 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 168493164 is about 12980.4916701949. The cubic root of 168493164 is about 552.3242292843.

The spelling of 168493164 in words is "one hundred sixty-eight million, four hundred ninety-three thousand, one hundred sixty-four".