66064090203 has 24 divisors (see below), whose sum is σ = 96590825760. Its totient is φ = 43507065600.

The previous prime is 66064090177. The next prime is 66064090207. The reversal of 66064090203 is 30209046066.

66064090203 is a `hidden beast` number, since 6 + 6 + 0 + 640 + 9 + 0 + 2 + 0 + 3 = 666.

66064090203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66064090203 - 2⁵ = 66064090171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66064090207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316275 + ... + 481827.

It is an arithmetic number, because the mean of its divisors is an integer number (4024617740).

Almost surely, 2^66064090203 is an apocalyptic number.

66064090203 is a deficient number, since it is larger than the sum of its proper divisors (30526735557).

66064090203 is a wasteful number, since it uses less digits than its factorization.

66064090203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166099 (or 166096 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 66064090203 in words is "sixty-six billion, sixty-four million, ninety thousand, two hundred three".