163201830 has 64 divisors (see below), whose sum is σ = 449798400. Its totient is φ = 37480320.

The previous prime is 163201789. The next prime is 163201889. The reversal of 163201830 is 38102361.

It is a self number, because there is not a number n which added to its sum of digits gives 163201830.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 6745 + ... + 19284.

It is an arithmetic number, because the mean of its divisors is an integer number (7028100).

Almost surely, 2^163201830 is an apocalyptic number.

163201830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163201830 is an abundant number, since it is smaller than the sum of its proper divisors (286596570).

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

163201830 is a wasteful number, since it uses less digits than its factorization.

163201830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26069.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 163201830 is about 12775.0471623396. The cubic root of 163201830 is about 546.4809258100.

The spelling of 163201830 in words is "one hundred sixty-three million, two hundred one thousand, eight hundred thirty".