66468382 has 12 divisors (see below), whose sum is σ = 100337328. Its totient is φ = 33023900.

The previous prime is 66468379. The next prime is 66468383. The reversal of 66468382 is 28386466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66468383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72507 + ... + 73417.

It is an arithmetic number, because the mean of its divisors is an integer number (8361444).

Almost surely, 2^66468382 is an apocalyptic number.

66468382 is a deficient number, since it is larger than the sum of its proper divisors (33868946).

66468382 is an equidigital number, since it uses as much as digits as its factorization.

66468382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1104 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 66468382 is about 8152.8143606978. The cubic root of 66468382 is about 405.0777313586.

The spelling of 66468382 in words is "sixty-six million, four hundred sixty-eight thousand, three hundred eighty-two".