8116104985601 has 4 divisors (see below), whose sum is σ = 8116272283392. Its totient is φ = 8115937687812.

The previous prime is 8116104985589. The next prime is 8116104985621. The reversal of 8116104985601 is 1065894016118.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8116104985601 - 2³⁰ = 8115031243777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8116104985601.

It is not an unprimeable number, because it can be changed into a prime (8116104985621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83576105 + ... + 83673158.

It is an arithmetic number, because the mean of its divisors is an integer number (2029068070848).

Almost surely, 2^{8116104985601} is an apocalyptic number.

It is an amenable number.

8116104985601 is a deficient number, since it is larger than the sum of its proper divisors (167297791).

8116104985601 is a wasteful number, since it uses less digits than its factorization.

8116104985601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167297790.

The product of its (nonzero) digits is 414720, while the sum is 50.

The spelling of 8116104985601 in words is "eight trillion, one hundred sixteen billion, one hundred four million, nine hundred eighty-five thousand, six hundred one".