326866616 has 64 divisors (see below), whose sum is σ = 685843200. Its totient is φ = 145243648.

The previous prime is 326866601. The next prime is 326866619. The reversal of 326866616 is 616668623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326866619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258995 + ... + 260253.

It is an arithmetic number, because the mean of its divisors is an integer number (10716300).

Almost surely, 2^326866616 is an apocalyptic number.

It is an amenable number.

326866616 is an abundant number, since it is smaller than the sum of its proper divisors (358976584).

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

326866616 is a wasteful number, since it uses less digits than its factorization.

326866616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1384 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 326866616 is about 18079.4528678276. The cubic root of 326866616 is about 688.8481910902.

The spelling of 326866616 in words is "three hundred twenty-six million, eight hundred sixty-six thousand, six hundred sixteen".