116617785116 has 72 divisors (see below), whose sum is σ = 254098446336. Its totient is φ = 45821077920.

The previous prime is 116617785113. The next prime is 116617785139. The reversal of 116617785116 is 611587716611.

116617785116 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×116617785116² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116617785113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127265 + ... + 499431.

It is an arithmetic number, because the mean of its divisors is an integer number (3529145088).

Almost surely, 2^116617785116 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 116617785116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127049223168).

116617785116 is an abundant number, since it is smaller than the sum of its proper divisors (137480661220).

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

116617785116 is a wasteful number, since it uses less digits than its factorization.

116617785116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372247 (or 372226 counting only the distinct ones).

The product of its digits is 423360, while the sum is 50.

The spelling of 116617785116 in words is "one hundred sixteen billion, six hundred seventeen million, seven hundred eighty-five thousand, one hundred sixteen".