163430136 has 64 divisors (see below), whose sum is σ = 459626400. Its totient is φ = 54470880.

The previous prime is 163430123. The next prime is 163430173. The reversal of 163430136 is 631034361.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12826 + ... + 22166.

Almost surely, 2^163430136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163430136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229813200).

163430136 is an abundant number, since it is smaller than the sum of its proper divisors (296196264).

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

163430136 is an frugal number, since it uses more digits than its factorization.

163430136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9368 (or 9346 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 163430136 is about 12783.9796620614. The cubic root of 163430136 is about 546.7356344343.

Adding to 163430136 its reverse (631034361), we get a palindrome (794464497).

The spelling of 163430136 in words is "one hundred sixty-three million, four hundred thirty thousand, one hundred thirty-six".