66089164 has 12 divisors (see below), whose sum is σ = 115867584. Its totient is φ = 32984144.

The previous prime is 66089161. The next prime is 66089167. The reversal of 66089164 is 46198066.

66089164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66089161) and next prime (66089167).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (66089161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12604 + ... + 17059.

It is an arithmetic number, because the mean of its divisors is an integer number (9655632).

Almost surely, 2^66089164 is an apocalyptic number.

It is an amenable number.

66089164 is a deficient number, since it is larger than the sum of its proper divisors (49778420).

66089164 is a wasteful number, since it uses less digits than its factorization.

66089164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30224 (or 30222 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 66089164 is about 8129.5242173205. The cubic root of 66089164 is about 404.3059065978.

The spelling of 66089164 in words is "sixty-six million, eighty-nine thousand, one hundred sixty-four".