1416663 has 16 divisors (see below), whose sum is σ = 2131200. Its totient is φ = 929880.

The previous prime is 1416641. The next prime is 1416671. The reversal of 1416663 is 3666141.

It is not a de Polignac number, because 1416663 - 2⁵ = 1416631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1414663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (133200).

2^1416663 is an apocalyptic number.

1416663 is a deficient number, since it is larger than the sum of its proper divisors (714537).

1416663 is an equidigital number, since it uses as much as digits as its factorization.

1416663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 813 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1416663 is about 1190.2365311147. The cubic root of 1416663 is about 112.3109714508.

The spelling of 1416663 in words is "one million, four hundred sixteen thousand, six hundred sixty-three".