163995630 has 16 divisors (see below), whose sum is σ = 393589584. Its totient is φ = 43732160.

The previous prime is 163995607. The next prime is 163995641. The reversal of 163995630 is 36599361.

163995630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733231 + ... + 2733290.

It is an arithmetic number, because the mean of its divisors is an integer number (24599349).

Almost surely, 2^163995630 is an apocalyptic number.

163995630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163995630 is an abundant number, since it is smaller than the sum of its proper divisors (229593954).

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

163995630 is a wasteful number, since it uses less digits than its factorization.

163995630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466531.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 163995630 is about 12806.0778538942. The cubic root of 163995630 is about 547.3655056308.

The spelling of 163995630 in words is "one hundred sixty-three million, nine hundred ninety-five thousand, six hundred thirty".