4618566 has 48 divisors (see below), whose sum is σ = 10724400. Its totient is φ = 1473120.

The previous prime is 4618541. The next prime is 4618567. The reversal of 4618566 is 6658164.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4618566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4618567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51850 + ... + 51938.

It is an arithmetic number, because the mean of its divisors is an integer number (223425).

Almost surely, 2^4618566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4618566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362200).

4618566 is an abundant number, since it is smaller than the sum of its proper divisors (6105834).

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

4618566 is a wasteful number, since it uses less digits than its factorization.

4618566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 125 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 4618566 is about 2149.0849215422. The cubic root of 4618566 is about 166.5337972135.

It can be divided in two parts, 4618 and 566, that added together give a square (5184 = 72²).

The spelling of 4618566 in words is "four million, six hundred eighteen thousand, five hundred sixty-six".