66022066 has 8 divisors (see below), whose sum is σ = 108036144. Its totient is φ = 30010020.

The previous prime is 66022057. The next prime is 66022079.

66022066 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1500480 + ... + 1500523.

It is an arithmetic number, because the mean of its divisors is an integer number (13504518).

Almost surely, 2^66022066 is an apocalyptic number.

66022066 is a deficient number, since it is larger than the sum of its proper divisors (42014078).

66022066 is a wasteful number, since it uses less digits than its factorization.

66022066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001016.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 66022066 is about 8125.3963595630. The cubic root of 66022066 is about 404.1690344189.

It can be divided in two parts, 6602 and 2066, that added together give a palindrome (8668).

The spelling of 66022066 in words is "sixty-six million, twenty-two thousand, sixty-six".