4663566 has 24 divisors (see below), whose sum is σ = 10212384. Its totient is φ = 1537920.

The previous prime is 4663553. The next prime is 4663573. The reversal of 4663566 is 6653664.

It is a self number, because there is not a number n which added to its sum of digits gives 4663566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (425516).

Almost surely, 2^4663566 is an apocalyptic number.

4663566 is an abundant number, since it is smaller than the sum of its proper divisors (5548818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4663566 is a wasteful number, since it uses less digits than its factorization.

4663566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776 (or 2773 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 4663566 is about 2159.5291153397. The cubic root of 4663566 is about 167.0729120945.

The spelling of 4663566 in words is "four million, six hundred sixty-three thousand, five hundred sixty-six".