6664673433 has 16 divisors (see below), whose sum is σ = 9956074176. Its totient is φ = 3930027840.

The previous prime is 6664673417. The next prime is 6664673447. The reversal of 6664673433 is 3343764666.

It is not a de Polignac number, because 6664673433 - 2⁴ = 6664673417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6664673413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2727966 + ... + 2730407.

It is an arithmetic number, because the mean of its divisors is an integer number (622254636).

Almost surely, 2^6664673433 is an apocalyptic number.

It is an amenable number.

6664673433 is a deficient number, since it is larger than the sum of its proper divisors (3291400743).

6664673433 is a wasteful number, since it uses less digits than its factorization.

6664673433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458424.

The product of its digits is 3919104, while the sum is 48.

The square root of 6664673433 is about 81637.4511667286. The cubic root of 6664673433 is about 1881.8844685959.

The spelling of 6664673433 in words is "six billion, six hundred sixty-four million, six hundred seventy-three thousand, four hundred thirty-three".