663126 has 16 divisors (see below), whose sum is σ = 1344000. Its totient is φ = 218088.

The previous prime is 663097. The next prime is 663127. The reversal of 663126 is 621366.

663126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 663096 and 663105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663127) 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, 226 + ... + 1173.

It is an arithmetic number, because the mean of its divisors is an integer number (84000).

2⁶⁶³¹²⁶ is an apocalyptic number.

663126 is an abundant number, since it is smaller than the sum of its proper divisors (680874).

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

663126 is a wasteful number, since it uses less digits than its factorization.

663126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483.

The product of its digits is 1296, while the sum is 24.

The square root of 663126 is about 814.3254877504. The cubic root of 663126 is about 87.2031190142.

It can be divided in two parts, 663 and 126, that multiplied together give a palindrome (83538).

The spelling of 663126 in words is "six hundred sixty-three thousand, one hundred twenty-six".