5823821665 has 16 divisors (see below), whose sum is σ = 7638382080. Its totient is φ = 4243541760.

The previous prime is 5823821617. The next prime is 5823821677. The reversal of 5823821665 is 5661283285.

5823821665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5823821665 - 2¹⁹ = 5823297377 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, 1102455 + ... + 1107724.

It is an arithmetic number, because the mean of its divisors is an integer number (477398880).

Almost surely, 2^5823821665 is an apocalyptic number.

It is an amenable number.

5823821665 is a deficient number, since it is larger than the sum of its proper divisors (1814560415).

5823821665 is a wasteful number, since it uses less digits than its factorization.

5823821665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210232.

The product of its digits is 691200, while the sum is 46.

The square root of 5823821665 is about 76313.9676926839. The cubic root of 5823821665 is about 1799.1582139029.

The spelling of 5823821665 in words is "five billion, eight hundred twenty-three million, eight hundred twenty-one thousand, six hundred sixty-five".