83115820116 has 144 divisors (see below), whose sum is σ = 249226199040. Its totient is φ = 23726325600.

The previous prime is 83115820037. The next prime is 83115820237. The reversal of 83115820116 is 61102851138.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8697541 + ... + 8707091.

Almost surely, 2^83115820116 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 83115820116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124613099520).

83115820116 is an abundant number, since it is smaller than the sum of its proper divisors (166110378924).

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

83115820116 is a wasteful number, since it uses less digits than its factorization.

83115820116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10856 (or 10842 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 83115820116 in words is "eighty-three billion, one hundred fifteen million, eight hundred twenty thousand, one hundred sixteen".