63968196159 has 36 divisors (see below), whose sum is σ = 107902392624. Its totient is φ = 36410959872.

The previous prime is 63968196157. The next prime is 63968196181. The reversal of 63968196159 is 95169186936.

63968196159 is a `hidden beast` number, since 6 + 3 + 9 + 6 + 8 + 1 + 9 + 615 + 9 = 666.

It is not a de Polignac number, because 63968196159 - 2¹ = 63968196157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 63968196096 and 63968196105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63968196157) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 168867 + ... + 395540.

It is an arithmetic number, because the mean of its divisors is an integer number (2997288684).

Almost surely, 2^63968196159 is an apocalyptic number.

63968196159 is a deficient number, since it is larger than the sum of its proper divisors (43934196465).

63968196159 is a wasteful number, since it uses less digits than its factorization.

63968196159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564684 (or 564674 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 63.

The spelling of 63968196159 in words is "sixty-three billion, nine hundred sixty-eight million, one hundred ninety-six thousand, one hundred fifty-nine".