5665016666 has 8 divisors (see below), whose sum is σ = 8500104480. Its totient is φ = 2831648508.

The previous prime is 5665016597. The next prime is 5665016689. The reversal of 5665016666 is 6666105665.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5665016666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421646 + ... + 434873.

It is an arithmetic number, because the mean of its divisors is an integer number (1062513060).

Almost surely, 2^5665016666 is an apocalyptic number.

5665016666 is a deficient number, since it is larger than the sum of its proper divisors (2835087814).

5665016666 is a wasteful number, since it uses less digits than its factorization.

5665016666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859828.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The square root of 5665016666 is about 75266.3049843687. The cubic root of 5665016666 is about 1782.6540244465.

The spelling of 5665016666 in words is "five billion, six hundred sixty-five million, sixteen thousand, six hundred sixty-six".