66367883 has 4 divisors (see below), whose sum is σ = 66556248. Its totient is φ = 66179520.

The previous prime is 66367867. The next prime is 66367891. The reversal of 66367883 is 38876366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38876366 = 2 ⋅19438183.

It is a cyclic number.

It is not a de Polignac number, because 66367883 - 2⁴ = 66367867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66367843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93653 + ... + 94358.

It is an arithmetic number, because the mean of its divisors is an integer number (16639062).

Almost surely, 2^66367883 is an apocalyptic number.

66367883 is a deficient number, since it is larger than the sum of its proper divisors (188365).

66367883 is a wasteful number, since it uses less digits than its factorization.

66367883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188364.

The product of its digits is 870912, while the sum is 47.

The square root of 66367883 is about 8146.6485747208. The cubic root of 66367883 is about 404.8734716264.

The spelling of 66367883 in words is "sixty-six million, three hundred sixty-seven thousand, eight hundred eighty-three".