326163456 has 176 divisors, whose sum is σ = 990420480. Its totient is φ = 105984000.

The previous prime is 326163449. The next prime is 326163463. The reversal of 326163456 is 654361623.

326163456 is a `hidden beast` number, since 3 + 2 + 616 + 34 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (326163449) and next prime (326163463).

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

It is a self number, because there is not a number n which added to its sum of digits gives 326163456.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1299331 + ... + 1299581.

Almost surely, 2^326163456 is an apocalyptic number.

326163456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326163456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495210240).

326163456 is an abundant number, since it is smaller than the sum of its proper divisors (664257024).

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

326163456 is a wasteful number, since it uses less digits than its factorization.

326163456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 303 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 326163456 is about 18059.9960132886. The cubic root of 326163456 is about 688.3538832041.

The spelling of 326163456 in words is "three hundred twenty-six million, one hundred sixty-three thousand, four hundred fifty-six".