163233513 has 12 divisors (see below), whose sum is σ = 238767360. Its totient is φ = 107444376.

The previous prime is 163233493. The next prime is 163233517. The reversal of 163233513 is 315332361.

It is a happy number.

It is not a de Polignac number, because 163233513 - 2¹⁴ = 163217129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163233517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114081 + ... + 115502.

It is an arithmetic number, because the mean of its divisors is an integer number (19897280).

Almost surely, 2^163233513 is an apocalyptic number.

It is an amenable number.

163233513 is a deficient number, since it is larger than the sum of its proper divisors (75533847).

163233513 is a wasteful number, since it uses less digits than its factorization.

163233513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229668 (or 229665 counting only the distinct ones).

The product of its digits is 4860, while the sum is 27.

The square root of 163233513 is about 12776.2871367233. The cubic root of 163233513 is about 546.5162870043.

Adding to 163233513 its reverse (315332361), we get a palindrome (478565874).

The spelling of 163233513 in words is "one hundred sixty-three million, two hundred thirty-three thousand, five hundred thirteen".