916663 has 8 divisors (see below), whose sum is σ = 1008000. Its totient is φ = 826680.

The previous prime is 916651. The next prime is 916679. The reversal of 916663 is 366619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 916663 - 2¹³ = 908471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

2⁹¹⁶⁶⁶³ is an apocalyptic number.

916663 is a deficient number, since it is larger than the sum of its proper divisors (91337).

916663 is a wasteful number, since it uses less digits than its factorization.

916663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677.

The product of its digits is 5832, while the sum is 31.

The square root of 916663 is about 957.4251929002. The cubic root of 916663 is about 97.1411485323.

It can be divided in two parts, 9166 and 63, that added together give a palindrome (9229).

The spelling of 916663 in words is "nine hundred sixteen thousand, six hundred sixty-three".