66332315 has 16 divisors (see below), whose sum is σ = 92464320. Its totient is φ = 44737920.

The previous prime is 66332311. The next prime is 66332327. The reversal of 66332315 is 51323366.

It is a happy number.

It is not a de Polignac number, because 66332315 - 2² = 66332311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66332311) 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, 13400 + ... + 17669.

It is an arithmetic number, because the mean of its divisors is an integer number (5779020).

Almost surely, 2^66332315 is an apocalyptic number.

66332315 is a deficient number, since it is larger than the sum of its proper divisors (26132005).

66332315 is a wasteful number, since it uses less digits than its factorization.

66332315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31142.

The product of its digits is 9720, while the sum is 29.

The square root of 66332315 is about 8144.4652985939. The cubic root of 66332315 is about 404.8011318526.

The spelling of 66332315 in words is "sixty-six million, three hundred thirty-two thousand, three hundred fifteen".