67108967563 has 8 divisors (see below), whose sum is σ = 73468478016. Its totient is φ = 60792573000.

The previous prime is 67108967543. The next prime is 67108967573. The reversal of 67108967563 is 36576980176.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67108967563 is a prime.

It is a super-2 number, since 2×67108967563² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67108967498 and 67108967507.

It is not an unprimeable number, because it can be changed into a prime (67108967503) 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, 10775713 + ... + 10781938.

It is an arithmetic number, because the mean of its divisors is an integer number (9183559752).

Almost surely, 2^67108967563 is an apocalyptic number.

67108967563 is a deficient number, since it is larger than the sum of its proper divisors (6359510453).

67108967563 is a wasteful number, since it uses less digits than its factorization.

67108967563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21557945.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 67108967563 in words is "sixty-seven billion, one hundred eight million, nine hundred sixty-seven thousand, five hundred sixty-three".