326772160 has 224 divisors, whose sum is σ = 943733952. Its totient is φ = 106168320.

The previous prime is 326772101. The next prime is 326772167. The reversal of 326772160 is 61277623.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326772167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1693024 + ... + 1693216.

It is an arithmetic number, because the mean of its divisors is an integer number (4213098).

Almost surely, 2^326772160 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 326772160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471866976).

326772160 is an abundant number, since it is smaller than the sum of its proper divisors (616961792).

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

326772160 is a wasteful number, since it uses less digits than its factorization.

326772160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 326772160 is about 18076.8404318896. The cubic root of 326772160 is about 688.7818315926.

The spelling of 326772160 in words is "three hundred twenty-six million, seven hundred seventy-two thousand, one hundred sixty".