3665230205566 has 8 divisors (see below), whose sum is σ = 5821247973600. Its totient is φ = 1724814214368.

The previous prime is 3665230205557. The next prime is 3665230205627. The reversal of 3665230205566 is 6655020325663.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53900444166 + ... + 53900444233.

It is an arithmetic number, because the mean of its divisors is an integer number (727655996700).

Almost surely, 2^{3665230205566} is an apocalyptic number.

3665230205566 is a deficient number, since it is larger than the sum of its proper divisors (2156017768034).

3665230205566 is a wasteful number, since it uses less digits than its factorization.

3665230205566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107800888418.

The product of its (nonzero) digits is 5832000, while the sum is 49.

The spelling of 3665230205566 in words is "three trillion, six hundred sixty-five billion, two hundred thirty million, two hundred five thousand, five hundred sixty-six".