8468206665 has 8 divisors (see below), whose sum is σ = 13549130688. Its totient is φ = 4516376880.

The previous prime is 8468206657. The next prime is 8468206679. The reversal of 8468206665 is 5666028648.

8468206665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8468206665 - 2³ = 8468206657 is a prime.

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, 282273541 + ... + 282273570.

It is an arithmetic number, because the mean of its divisors is an integer number (1693641336).

Almost surely, 2^8468206665 is an apocalyptic number.

It is an amenable number.

8468206665 is a deficient number, since it is larger than the sum of its proper divisors (5080924023).

8468206665 is a wasteful number, since it uses less digits than its factorization.

8468206665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564547119.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The square root of 8468206665 is about 92022.8594698078. The cubic root of 8468206665 is about 2038.2798732870.

The spelling of 8468206665 in words is "eight billion, four hundred sixty-eight million, two hundred six thousand, six hundred sixty-five".