66367283 has 4 divisors (see below), whose sum is σ = 68655840. Its totient is φ = 64078728.

The previous prime is 66367277. The next prime is 66367291. The reversal of 66367283 is 38276366.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66367283 - 2⁴ = 66367267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66367283.

It is not an unprimeable number, because it can be changed into a prime (66361283) 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 3 ways as a sum of consecutive naturals, for example, 1144235 + ... + 1144292.

It is an arithmetic number, because the mean of its divisors is an integer number (17163960).

Almost surely, 2^66367283 is an apocalyptic number.

66367283 is a deficient number, since it is larger than the sum of its proper divisors (2288557).

66367283 is a wasteful number, since it uses less digits than its factorization.

66367283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288556.

The product of its digits is 217728, while the sum is 41.

The square root of 66367283 is about 8146.6117496785. The cubic root of 66367283 is about 404.8722515342.

The spelling of 66367283 in words is "sixty-six million, three hundred sixty-seven thousand, two hundred eighty-three".