8161013764068 has 24 divisors (see below), whose sum is σ = 20773489581600. Its totient is φ = 2473034473920.

The previous prime is 8161013764051. The next prime is 8161013764091. The reversal of 8161013764068 is 8604673101618.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8161013764068.

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, 30912930793 + ... + 30912931056.

It is an arithmetic number, because the mean of its divisors is an integer number (865562065900).

Almost surely, 2^{8161013764068} is an apocalyptic number.

It is an amenable number.

8161013764068 is an abundant number, since it is smaller than the sum of its proper divisors (12612475817532).

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

8161013764068 is a wasteful number, since it uses less digits than its factorization.

8161013764068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61825861867 (or 61825861865 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 8161013764068 in words is "eight trillion, one hundred sixty-one billion, thirteen million, seven hundred sixty-four thousand, sixty-eight".