63563996165 has 8 divisors (see below), whose sum is σ = 76336255008. Its totient is φ = 50811557200.

The previous prime is 63563996141. The next prime is 63563996179. The reversal of 63563996165 is 56169936536.

63563996165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63563996165 - 2¹⁰ = 63563995141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4947911 + ... + 4960740.

It is an arithmetic number, because the mean of its divisors is an integer number (9542031876).

Almost surely, 2^63563996165 is an apocalyptic number.

It is an amenable number.

63563996165 is a deficient number, since it is larger than the sum of its proper divisors (12772258843).

63563996165 is a wasteful number, since it uses less digits than its factorization.

63563996165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909939.

The product of its digits is 23619600, while the sum is 59.

The spelling of 63563996165 in words is "sixty-three billion, five hundred sixty-three million, nine hundred ninety-six thousand, one hundred sixty-five".