168323630 has 32 divisors (see below), whose sum is σ = 323953344. Its totient is φ = 62747136.

The previous prime is 168323581. The next prime is 168323669. The reversal of 168323630 is 36323861.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 12704 + ... + 22316.

It is an arithmetic number, because the mean of its divisors is an integer number (10123542).

Almost surely, 2^168323630 is an apocalyptic number.

168323630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168323630 is a deficient number, since it is larger than the sum of its proper divisors (155629714).

168323630 is a wasteful number, since it uses less digits than its factorization.

168323630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9740.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 168323630 is about 12973.9596885454. The cubic root of 168323630 is about 552.1389217489.

The spelling of 168323630 in words is "one hundred sixty-eight million, three hundred twenty-three thousand, six hundred thirty".