326330661 has 8 divisors (see below), whose sum is σ = 435208384. Its totient is φ = 217503360.

The previous prime is 326330651. The next prime is 326330761. The reversal of 326330661 is 166033623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 326330661 - 2⁶ = 326330597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326330611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6741 + ... + 26421.

It is an arithmetic number, because the mean of its divisors is an integer number (54401048).

Almost surely, 2^326330661 is an apocalyptic number.

It is an amenable number.

326330661 is a deficient number, since it is larger than the sum of its proper divisors (108877723).

326330661 is a wasteful number, since it uses less digits than its factorization.

326330661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25211.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 326330661 is about 18064.6245740120. The cubic root of 326330661 is about 688.4714894195.

The spelling of 326330661 in words is "three hundred twenty-six million, three hundred thirty thousand, six hundred sixty-one".