663140760 has 192 divisors, whose sum is σ = 2170709280. Its totient is φ = 161464320.

The previous prime is 663140759. The next prime is 663140789. The reversal of 663140760 is 67041366.

663140760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9084084 + ... + 9084156.

Almost surely, 2^663140760 is an apocalyptic number.

663140760 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663140760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085354640).

663140760 is an abundant number, since it is smaller than the sum of its proper divisors (1507568520).

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

663140760 is a wasteful number, since it uses less digits than its factorization.

663140760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 663140760 is about 25751.5195668139. The cubic root of 663140760 is about 872.0376600462.

The spelling of 663140760 in words is "six hundred sixty-three million, one hundred forty thousand, seven hundred sixty".