618366 has 16 divisors (see below), whose sum is σ = 1413504. Its totient is φ = 176664.

The previous prime is 618361. The next prime is 618377. The reversal of 618366 is 663816.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 618366.

It is not an unprimeable number, because it can be changed into a prime (618361) by changing a digit.

618366 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7320 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (88344).

2⁶¹⁸³⁶⁶ is an apocalyptic number.

618366 is an abundant number, since it is smaller than the sum of its proper divisors (795138).

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

618366 is a wasteful number, since it uses less digits than its factorization.

618366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14735.

The product of its digits is 5184, while the sum is 30.

The square root of 618366 is about 786.3625118226. The cubic root of 618366 is about 85.1952145255.

The spelling of 618366 in words is "six hundred eighteen thousand, three hundred sixty-six".