161353230 has 16 divisors (see below), whose sum is σ = 387247824. Its totient is φ = 43027520.

The previous prime is 161353223. The next prime is 161353249. The reversal of 161353230 is 32353161.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 161353230.

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 7 ways as a sum of consecutive naturals, for example, 2689191 + ... + 2689250.

It is an arithmetic number, because the mean of its divisors is an integer number (24202989).

Almost surely, 2^161353230 is an apocalyptic number.

161353230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161353230 is an abundant number, since it is smaller than the sum of its proper divisors (225894594).

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

161353230 is a wasteful number, since it uses less digits than its factorization.

161353230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378451.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 161353230 is about 12702.4891261516. The cubic root of 161353230 is about 544.4097416757.

The spelling of 161353230 in words is "one hundred sixty-one million, three hundred fifty-three thousand, two hundred thirty".