8402204066 has 16 divisors (see below), whose sum is σ = 13355004600. Its totient is φ = 3950918400.

The previous prime is 8402204047. The next prime is 8402204081. The reversal of 8402204066 is 6604022048.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3774259225 + 4627944841 = 61435^2 + 68029^2 .

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, 50741 + ... + 139208.

Almost surely, 2^8402204066 is an apocalyptic number.

8402204066 is a deficient number, since it is larger than the sum of its proper divisors (4952800534).

8402204066 is a wasteful number, since it uses less digits than its factorization.

8402204066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191269.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 8402204066 is about 91663.5372762801. The cubic root of 8402204066 is about 2032.9704921016.

The spelling of 8402204066 in words is "eight billion, four hundred two million, two hundred four thousand, sixty-six".