116691563520 has 1408 divisors, whose sum is σ = 509359104000. Its totient is φ = 25274253312.

The previous prime is 116691563501. The next prime is 116691563531. The reversal of 116691563520 is 25365196611.

116691563520 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 9 + 1 + 5 + 635 + 2 + 0 = 666.

116691563520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1090575307 + ... + 1090575413.

Almost surely, 2^116691563520 is an apocalyptic number.

116691563520 is a gapful number since it is divisible by the number (10) 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 116691563520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254679552000).

116691563520 is an abundant number, since it is smaller than the sum of its proper divisors (392667540480).

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

116691563520 is a wasteful number, since it uses less digits than its factorization.

116691563520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 116691563520 in words is "one hundred sixteen billion, six hundred ninety-one million, five hundred sixty-three thousand, five hundred twenty".