66392328 has 32 divisors (see below), whose sum is σ = 171336960. Its totient is φ = 21416640.

The previous prime is 66392321. The next prime is 66392351. The reversal of 66392328 is 82329366.

It is not an unprimeable number, because it can be changed into a prime (66392321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43875 + ... + 45362.

It is an arithmetic number, because the mean of its divisors is an integer number (5354280).

Almost surely, 2^66392328 is an apocalyptic number.

It is an amenable number.

66392328 is an abundant number, since it is smaller than the sum of its proper divisors (104944632).

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

66392328 is a wasteful number, since it uses less digits than its factorization.

66392328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89277 (or 89273 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 66392328 is about 8148.1487468013. The cubic root of 66392328 is about 404.9231739658.

The spelling of 66392328 in words is "sixty-six million, three hundred ninety-two thousand, three hundred twenty-eight".