665092290566 has 32 divisors (see below), whose sum is σ = 1110522631680. Its totient is φ = 296209274400.

The previous prime is 665092290547. The next prime is 665092290601.

665092290566 is nontrivially palindromic in base 10.

665092290566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

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, 1232921 + ... + 1688276.

It is an arithmetic number, because the mean of its divisors is an integer number (34703832240).

Almost surely, 2^665092290566 is an apocalyptic number.

665092290566 is a deficient number, since it is larger than the sum of its proper divisors (445430341114).

665092290566 is a wasteful number, since it uses less digits than its factorization.

665092290566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921420.

The product of its (nonzero) digits is 10497600, while the sum is 56.

The spelling of 665092290566 in words is "six hundred sixty-five billion, ninety-two million, two hundred ninety thousand, five hundred sixty-six".