116389640784 has 80 divisors (see below), whose sum is σ = 306195402240. Its totient is φ = 38085843840.

The previous prime is 116389640767. The next prime is 116389640867. The reversal of 116389640784 is 487046983611.

It is a super-2 number, since 2×116389640784² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2030599 + ... + 2087129.

It is an arithmetic number, because the mean of its divisors is an integer number (3827442528).

Almost surely, 2^116389640784 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 116389640784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153097701120).

116389640784 is an abundant number, since it is smaller than the sum of its proper divisors (189805761456).

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

116389640784 is a wasteful number, since it uses less digits than its factorization.

116389640784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57328 (or 57322 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 116389640784 in words is "one hundred sixteen billion, three hundred eighty-nine million, six hundred forty thousand, seven hundred eighty-four".