326161472 has 56 divisors (see below), whose sum is σ = 796600896. Its totient is φ = 129028608.

The previous prime is 326161471. The next prime is 326161483. The reversal of 326161472 is 274161623.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (326161471) 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 7 ways as a sum of consecutive naturals, for example, 22178 + ... + 33825.

It is an arithmetic number, because the mean of its divisors is an integer number (14225016).

Almost surely, 2^326161472 is an apocalyptic number.

326161472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

326161472 is an abundant number, since it is smaller than the sum of its proper divisors (470439424).

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

326161472 is a wasteful number, since it uses less digits than its factorization.

326161472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56035 (or 56025 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 326161472 is about 18059.9410851752. The cubic root of 326161472 is about 688.3524874859.

The spelling of 326161472 in words is "three hundred twenty-six million, one hundred sixty-one thousand, four hundred seventy-two".