116991579672 has 192 divisors, whose sum is σ = 350633331360. Its totient is φ = 34944768000.

The previous prime is 116991579641. The next prime is 116991579703. The reversal of 116991579672 is 276975199611.

It is an interprime number because it is at equal distance from previous prime (116991579641) and next prime (116991579703).

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, 18634998 + ... + 18641274.

Almost surely, 2^116991579672 is an apocalyptic number.

116991579672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116991579672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175316665680).

116991579672 is an abundant number, since it is smaller than the sum of its proper divisors (233641751688).

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

116991579672 is a wasteful number, since it uses less digits than its factorization.

116991579672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634 (or 6627 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 63.

The spelling of 116991579672 in words is "one hundred sixteen billion, nine hundred ninety-one million, five hundred seventy-nine thousand, six hundred seventy-two".