66313267 has 8 divisors (see below), whose sum is σ = 68531760. Its totient is φ = 64125600.

The previous prime is 66313253. The next prime is 66313297. The reversal of 66313267 is 76231366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66313267 - 2¹⁵ = 66280499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66313217) 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 7 ways as a sum of consecutive naturals, for example, 3292 + ... + 11977.

It is an arithmetic number, because the mean of its divisors is an integer number (8566470).

Almost surely, 2^66313267 is an apocalyptic number.

66313267 is a deficient number, since it is larger than the sum of its proper divisors (2218493).

66313267 is a wasteful number, since it uses less digits than its factorization.

66313267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15413.

The product of its digits is 27216, while the sum is 34.

The square root of 66313267 is about 8143.2958315414. The cubic root of 66313267 is about 404.7623805535.

The spelling of 66313267 in words is "sixty-six million, three hundred thirteen thousand, two hundred sixty-seven".