163275264 has 200 divisors, whose sum is σ = 507015168. Its totient is φ = 52254720.

The previous prime is 163275251. The next prime is 163275269. The reversal of 163275264 is 462572361.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163275269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1285569 + ... + 1285695.

Almost surely, 2^163275264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163275264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253507584).

163275264 is an abundant number, since it is smaller than the sum of its proper divisors (343739904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163275264 is an equidigital number, since it uses as much as digits as its factorization.

163275264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 163 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 163275264 is about 12777.9209576519. The cubic root of 163275264 is about 546.5628780423.

The spelling of 163275264 in words is "one hundred sixty-three million, two hundred seventy-five thousand, two hundred sixty-four".