663341120 has 56 divisors (see below), whose sum is σ = 1701097944. Its totient is φ = 244924416.

The previous prime is 663341101. The next prime is 663341153. The reversal of 663341120 is 21143366.

It can be written as a sum of positive squares in 4 ways, for example, as 140944384 + 522396736 = 11872^2 + 22856^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 663341120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75569 + ... + 83888.

It is an arithmetic number, because the mean of its divisors is an integer number (30376749).

Almost surely, 2^663341120 is an apocalyptic number.

It is an amenable number.

663341120 is an abundant number, since it is smaller than the sum of its proper divisors (1037756824).

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

663341120 is a wasteful number, since it uses less digits than its factorization.

663341120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159487 (or 159477 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 663341120 is about 25755.4095288737. The cubic root of 663341120 is about 872.1254764307.

Adding to 663341120 its reverse (21143366), we get a palindrome (684484486).

The spelling of 663341120 in words is "six hundred sixty-three million, three hundred forty-one thousand, one hundred twenty".