663313041 has 12 divisors (see below), whose sum is σ = 958343568. Its totient is φ = 442104984.

The previous prime is 663313039. The next prime is 663313061. The reversal of 663313041 is 140313366.

It is not a de Polignac number, because 663313041 - 2¹ = 663313039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 663312996 and 663313014.

It is not an unprimeable number, because it can be changed into a prime (663313061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63966 + ... + 73608.

It is an arithmetic number, because the mean of its divisors is an integer number (79861964).

Almost surely, 2^663313041 is an apocalyptic number.

It is an amenable number.

663313041 is a deficient number, since it is larger than the sum of its proper divisors (295030527).

663313041 is a wasteful number, since it uses less digits than its factorization.

663313041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17292 (or 17289 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 663313041 is about 25754.8644143199. The cubic root of 663313041 is about 872.1131706672.

The spelling of 663313041 in words is "six hundred sixty-three million, three hundred thirteen thousand, forty-one".