326861568 has 180 divisors, whose sum is σ = 1063987848. Its totient is φ = 98979840.

The previous prime is 326861543. The next prime is 326861569. The reversal of 326861568 is 865168623.

326861568 is a `hidden beast` number, since 3 + 2 + 6 + 86 + 1 + 568 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326861569) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 227380 + ... + 228812.

Almost surely, 2^326861568 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 326861568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531993924).

326861568 is an abundant number, since it is smaller than the sum of its proper divisors (737126280).

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

326861568 is a wasteful number, since it uses less digits than its factorization.

326861568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472 (or 1449 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 326861568 is about 18079.3132612940. The cubic root of 326861568 is about 688.8446449713.

The spelling of 326861568 in words is "three hundred twenty-six million, eight hundred sixty-one thousand, five hundred sixty-eight".