326640160 has 96 divisors (see below), whose sum is σ = 962140032. Its totient is φ = 101806080.

The previous prime is 326640151. The next prime is 326640163. The reversal of 326640160 is 61046623.

326640160 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (326640163) 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, 937 + ... + 25576.

It is an arithmetic number, because the mean of its divisors is an integer number (10022292).

Almost surely, 2^326640160 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 326640160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481070016).

326640160 is an abundant number, since it is smaller than the sum of its proper divisors (635499872).

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

326640160 is a wasteful number, since it uses less digits than its factorization.

326640160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26546 (or 26538 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 326640160 is about 18073.1889825786. The cubic root of 326640160 is about 688.6890743569.

Adding to 326640160 its reverse (61046623), we get a palindrome (387686783).

The spelling of 326640160 in words is "three hundred twenty-six million, six hundred forty thousand, one hundred sixty".