663701460 has 24 divisors (see below), whose sum is σ = 1858364256. Its totient is φ = 176987040.

The previous prime is 663701459. The next prime is 663701461. The reversal of 663701460 is 64107366.

It is an interprime number because it is at equal distance from previous prime (663701459) and next prime (663701461).

It is a super-2 number, since 2×663701460² = 880999256012263200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663701461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5530786 + ... + 5530905.

It is an arithmetic number, because the mean of its divisors is an integer number (77431844).

Almost surely, 2^663701460 is an apocalyptic number.

663701460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

663701460 is an abundant number, since it is smaller than the sum of its proper divisors (1194662796).

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

663701460 is a wasteful number, since it uses less digits than its factorization.

663701460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061703 (or 11061701 counting only the distinct ones).

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

The square root of 663701460 is about 25762.4040027324. The cubic root of 663701460 is about 872.2833664401.

The spelling of 663701460 in words is "six hundred sixty-three million, seven hundred one thousand, four hundred sixty".