323265661 has 16 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 311518000.

The previous prime is 323265653. The next prime is 323265721. The reversal of 323265661 is 166562323.

It is a cyclic number.

It is not a de Polignac number, because 323265661 - 2³ = 323265653 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 (323268661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1229016 + ... + 1229278.

It is an arithmetic number, because the mean of its divisors is an integer number (20956320).

Almost surely, 2^323265661 is an apocalyptic number.

It is an amenable number.

323265661 is a deficient number, since it is larger than the sum of its proper divisors (12035459).

323265661 is a wasteful number, since it uses less digits than its factorization.

323265661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656.

The product of its digits is 38880, while the sum is 34.

The square root of 323265661 is about 17979.5901232481. The cubic root of 323265661 is about 686.3092589971.

The spelling of 323265661 in words is "three hundred twenty-three million, two hundred sixty-five thousand, six hundred sixty-one".