66882413 has 32 divisors (see below), whose sum is σ = 80828160. Its totient is φ = 54743040.

The previous prime is 66882397. The next prime is 66882419. The reversal of 66882413 is 31428866.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 66882413 - 2⁴ = 66882397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66882419) 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 31 ways as a sum of consecutive naturals, for example, 346445 + ... + 346637.

It is an arithmetic number, because the mean of its divisors is an integer number (2525880).

Almost surely, 2^66882413 is an apocalyptic number.

It is an amenable number.

66882413 is a deficient number, since it is larger than the sum of its proper divisors (13945747).

66882413 is a wasteful number, since it uses less digits than its factorization.

66882413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its digits is 55296, while the sum is 38.

The square root of 66882413 is about 8178.1668483836. The cubic root of 66882413 is about 405.9170663026.

The spelling of 66882413 in words is "sixty-six million, eight hundred eighty-two thousand, four hundred thirteen".