163233530 has 48 divisors (see below), whose sum is σ = 312953760. Its totient is φ = 61278624.

The previous prime is 163233517. The next prime is 163233557. The reversal of 163233530 is 35332361.

It is a self number, because there is not a number n which added to its sum of digits gives 163233530.

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 23 ways as a sum of consecutive naturals, for example, 311849 + ... + 312371.

It is an arithmetic number, because the mean of its divisors is an integer number (6519870).

Almost surely, 2^163233530 is an apocalyptic number.

163233530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163233530 is a deficient number, since it is larger than the sum of its proper divisors (149720230).

163233530 is a wasteful number, since it uses less digits than its factorization.

163233530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 26.

The square root of 163233530 is about 12776.2878020182. The cubic root of 163233530 is about 546.5163059767.

Adding to 163233530 its reverse (35332361), we get a palindrome (198565891).

The spelling of 163233530 in words is "one hundred sixty-three million, two hundred thirty-three thousand, five hundred thirty".