8261835086616 has 64 divisors (see below), whose sum is σ = 20665648972800. Its totient is φ = 2752470624000.

The previous prime is 8261835086599. The next prime is 8261835086651. The reversal of 8261835086616 is 6166805381628.

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 8261835086616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476150341 + ... + 476167691.

It is an arithmetic number, because the mean of its divisors is an integer number (322900765200).

Almost surely, 2^{8261835086616} is an apocalyptic number.

It is an amenable number.

8261835086616 is an abundant number, since it is smaller than the sum of its proper divisors (12403813886184).

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

8261835086616 is a wasteful number, since it uses less digits than its factorization.

8261835086616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26840 (or 26836 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 8261835086616 in words is "eight trillion, two hundred sixty-one billion, eight hundred thirty-five million, eighty-six thousand, six hundred sixteen".