66011662 has 16 divisors (see below), whose sum is σ = 105158160. Its totient is φ = 30989952.

The previous prime is 66011657. The next prime is 66011711. The reversal of 66011662 is 26611066.

It is a self number, because there is not a number n which added to its sum of digits gives 66011662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3393 + ... + 11980.

It is an arithmetic number, because the mean of its divisors is an integer number (6572385).

Almost surely, 2^66011662 is an apocalyptic number.

66011662 is a deficient number, since it is larger than the sum of its proper divisors (39146498).

66011662 is a wasteful number, since it uses less digits than its factorization.

66011662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15507.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 66011662 is about 8124.7561194168. The cubic root of 66011662 is about 404.1478031559.

The spelling of 66011662 in words is "sixty-six million, eleven thousand, six hundred sixty-two".