66088066 has 16 divisors (see below), whose sum is σ = 108269280. Its totient is φ = 30005280.

The previous prime is 66088021. The next prime is 66088067.

66088066 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (66088067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34465 + ... + 36331.

It is an arithmetic number, because the mean of its divisors is an integer number (6766830).

Almost surely, 2^66088066 is an apocalyptic number.

66088066 is a deficient number, since it is larger than the sum of its proper divisors (42181214).

66088066 is a wasteful number, since it uses less digits than its factorization.

66088066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 66088066 is about 8129.4566854126. The cubic root of 66088066 is about 404.3036675503.

The spelling of 66088066 in words is "sixty-six million, eighty-eight thousand, sixty-six".