163258930 has 16 divisors (see below), whose sum is σ = 297169560. Its totient is φ = 64569472.

The previous prime is 163258903. The next prime is 163258937. The reversal of 163258930 is 39852361.

It can be written as a sum of positive squares in 4 ways, for example, as 85766121 + 77492809 = 9261^2 + 8803^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 163258930.

It is not an unprimeable number, because it can be changed into a prime (163258937) 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 7 ways as a sum of consecutive naturals, for example, 90829 + ... + 92608.

Almost surely, 2^163258930 is an apocalyptic number.

163258930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163258930 is a deficient number, since it is larger than the sum of its proper divisors (133910630).

163258930 is a wasteful number, since it uses less digits than its factorization.

163258930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183533.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 163258930 is about 12777.2817923062. The cubic root of 163258930 is about 546.5446514484.

The spelling of 163258930 in words is "one hundred sixty-three million, two hundred fifty-eight thousand, nine hundred thirty".