163325864 has 64 divisors (see below), whose sum is σ = 338956800. Its totient is φ = 73322496.

The previous prime is 163325863. The next prime is 163325879. The reversal of 163325864 is 468523361.

163325864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (163325863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846152 + ... + 846344.

It is an arithmetic number, because the mean of its divisors is an integer number (5296200).

Almost surely, 2^163325864 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 163325864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169478400).

163325864 is an abundant number, since it is smaller than the sum of its proper divisors (175630936).

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

163325864 is a wasteful number, since it uses less digits than its factorization.

163325864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 390 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 163325864 is about 12779.9007820875. The cubic root of 163325864 is about 546.6193332671.

The spelling of 163325864 in words is "one hundred sixty-three million, three hundred twenty-five thousand, eight hundred sixty-four".