66882159 has 16 divisors (see below), whose sum is σ = 102282240. Its totient is φ = 43149240.

The previous prime is 66882143. The next prime is 66882161. The reversal of 66882159 is 95128866.

It is not a de Polignac number, because 66882159 - 2⁴ = 66882143 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66882119) 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 15 ways as a sum of consecutive naturals, for example, 39117 + ... + 40790.

It is an arithmetic number, because the mean of its divisors is an integer number (6392640).

Almost surely, 2^66882159 is an apocalyptic number.

66882159 is a deficient number, since it is larger than the sum of its proper divisors (35400081).

66882159 is a wasteful number, since it uses less digits than its factorization.

66882159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79947 (or 79941 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 66882159 is about 8178.1513192163. The cubic root of 66882159 is about 405.9165524502.

The spelling of 66882159 in words is "sixty-six million, eight hundred eighty-two thousand, one hundred fifty-nine".