6005866665 has 16 divisors (see below), whose sum is σ = 9699196608. Its totient is φ = 3173192256.

The previous prime is 6005866649. The next prime is 6005866681. The reversal of 6005866665 is 5666685006.

It is an interprime number because it is at equal distance from previous prime (6005866649) and next prime (6005866681).

It is not a de Polignac number, because 6005866665 - 2⁴ = 6005866649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1869382 + ... + 1872591.

It is an arithmetic number, because the mean of its divisors is an integer number (606199788).

Almost surely, 2^6005866665 is an apocalyptic number.

It is an amenable number.

6005866665 is a deficient number, since it is larger than the sum of its proper divisors (3693329943).

6005866665 is a wasteful number, since it uses less digits than its factorization.

6005866665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742088.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The square root of 6005866665 is about 77497.5268315060. The cubic root of 6005866665 is about 1817.7126464520.

The spelling of 6005866665 in words is "six billion, five million, eight hundred sixty-six thousand, six hundred sixty-five".