163464225 has 12 divisors (see below), whose sum is σ = 270260976. Its totient is φ = 87180880.

The previous prime is 163464181. The next prime is 163464247. The reversal of 163464225 is 522464361.

It is not a de Polignac number, because 163464225 - 2⁸ = 163463969 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, 1089687 + ... + 1089836.

It is an arithmetic number, because the mean of its divisors is an integer number (22521748).

Almost surely, 2^163464225 is an apocalyptic number.

163464225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163464225 is a deficient number, since it is larger than the sum of its proper divisors (106796751).

163464225 is a wasteful number, since it uses less digits than its factorization.

163464225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179536 (or 2179531 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 163464225 is about 12785.3128628125. The cubic root of 163464225 is about 546.7736453255.

The spelling of 163464225 in words is "one hundred sixty-three million, four hundred sixty-four thousand, two hundred twenty-five".