83610647842668 has 96 divisors (see below), whose sum is σ = 209148656774400. Its totient is φ = 25917505526016.

The previous prime is 83610647842529. The next prime is 83610647842739. The reversal of 83610647842668 is 86624874601638.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4516546 + ... + 13697462.

It is an arithmetic number, because the mean of its divisors is an integer number (2178631841400).

Almost surely, 2^{83610647842668} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83610647842668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104574328387200).

83610647842668 is an abundant number, since it is smaller than the sum of its proper divisors (125538008931732).

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

83610647842668 is a wasteful number, since it uses less digits than its factorization.

83610647842668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9181679 (or 9181677 counting only the distinct ones).

The product of its (nonzero) digits is 445906944, while the sum is 69.

The spelling of 83610647842668 in words is "eighty-three trillion, six hundred ten billion, six hundred forty-seven million, eight hundred forty-two thousand, six hundred sixty-eight".