163232300225 has 12 divisors (see below), whose sum is σ = 203160506940. Its totient is φ = 130100385600.

The previous prime is 163232300219. The next prime is 163232300249. The reversal of 163232300225 is 522003232361.

It can be written as a sum of positive squares in 6 ways, for example, as 76602739984 + 86629560241 = 276772^2 + 294329^2 .

It is not a de Polignac number, because 163232300225 - 2²² = 163228105921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12129506 + ... + 12142955.

It is an arithmetic number, because the mean of its divisors is an integer number (16930042245).

Almost surely, 2^163232300225 is an apocalyptic number.

It is an amenable number.

163232300225 is a deficient number, since it is larger than the sum of its proper divisors (39928206715).

163232300225 is a wasteful number, since it uses less digits than its factorization.

163232300225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24272740 (or 24272735 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 163232300225 its reverse (522003232361), we get a palindrome (685235532586).

The spelling of 163232300225 in words is "one hundred sixty-three billion, two hundred thirty-two million, three hundred thousand, two hundred twenty-five".