66328324 has 24 divisors (see below), whose sum is σ = 119567448. Its totient is φ = 32175360.

The previous prime is 66328319. The next prime is 66328351. The reversal of 66328324 is 42382366.

It can be written as a sum of positive squares in 4 ways, for example, as 12040900 + 54287424 = 3470^2 + 7368^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 66328324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31282 + ... + 33334.

It is an arithmetic number, because the mean of its divisors is an integer number (4981977).

Almost surely, 2^66328324 is an apocalyptic number.

It is an amenable number.

66328324 is a deficient number, since it is larger than the sum of its proper divisors (53239124).

66328324 is a wasteful number, since it uses less digits than its factorization.

66328324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295 (or 2293 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 66328324 is about 8144.2202818932. The cubic root of 66328324 is about 404.7930131666.

The spelling of 66328324 in words is "sixty-six million, three hundred twenty-eight thousand, three hundred twenty-four".