663113726652 has 24 divisors (see below), whose sum is σ = 1666285775056. Its totient is φ = 204034992768.

The previous prime is 663113726647. The next prime is 663113726657. The reversal of 663113726652 is 256627311366.

663113726652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (663113726647) and next prime (663113726657).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663113726657) 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, 2125364353 + ... + 2125364664.

Almost surely, 2^663113726652 is an apocalyptic number.

It is an amenable number.

663113726652 is an abundant number, since it is smaller than the sum of its proper divisors (1003172048404).

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

663113726652 is a wasteful number, since it uses less digits than its factorization.

663113726652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4250729037 (or 4250729035 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 48.

The spelling of 663113726652 in words is "six hundred sixty-three billion, one hundred thirteen million, seven hundred twenty-six thousand, six hundred fifty-two".