66895283 has 8 divisors (see below), whose sum is σ = 82332768. Its totient is φ = 52928064.

The previous prime is 66895253. The next prime is 66895327. The reversal of 66895283 is 38259866.

It is a happy number.

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

It is not a de Polignac number, because 66895283 - 2¹⁴ = 66878899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66895253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367466 + ... + 367647.

It is an arithmetic number, because the mean of its divisors is an integer number (10291596).

Almost surely, 2^66895283 is an apocalyptic number.

66895283 is a deficient number, since it is larger than the sum of its proper divisors (15437485).

66895283 is a wasteful number, since it uses less digits than its factorization.

66895283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735133.

The product of its digits is 622080, while the sum is 47.

The square root of 66895283 is about 8178.9536616856. The cubic root of 66895283 is about 405.9431011368.

The spelling of 66895283 in words is "sixty-six million, eight hundred ninety-five thousand, two hundred eighty-three".