168159830 has 8 divisors (see below), whose sum is σ = 302687712. Its totient is φ = 67263928.

The previous prime is 168159821. The next prime is 168159839. The reversal of 168159830 is 38951861.

It is an interprime number because it is at equal distance from previous prime (168159821) and next prime (168159839).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168159839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8407982 + ... + 8408001.

It is an arithmetic number, because the mean of its divisors is an integer number (37835964).

Almost surely, 2^168159830 is an apocalyptic number.

168159830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168159830 is a deficient number, since it is larger than the sum of its proper divisors (134527882).

168159830 is a wasteful number, since it uses less digits than its factorization.

168159830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16815990.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 168159830 is about 12967.6455071844. The cubic root of 168159830 is about 551.9597634853.

The spelling of 168159830 in words is "one hundred sixty-eight million, one hundred fifty-nine thousand, eight hundred thirty".