2023644566 has 16 divisors (see below), whose sum is σ = 3096038400. Its totient is φ = 991816488.

The previous prime is 2023644559. The next prime is 2023644577. The reversal of 2023644566 is 6654463202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24110 + ... + 68033.

It is an arithmetic number, because the mean of its divisors is an integer number (193502400).

Almost surely, 2^2023644566 is an apocalyptic number.

2023644566 is a deficient number, since it is larger than the sum of its proper divisors (1072393834).

2023644566 is a wasteful number, since it uses less digits than its factorization.

2023644566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92363.

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 2023644566 is about 44984.9371012120. The cubic root of 2023644566 is about 1264.8666590694.

The spelling of 2023644566 in words is "two billion, twenty-three million, six hundred forty-four thousand, five hundred sixty-six".