116508899556 has 405 divisors, whose sum is σ = 365259057891. Its totient is φ = 32514111504.

The previous prime is 116508899537. The next prime is 116508899587. The reversal of 116508899556 is 655998805611.

The square root of 116508899556 is 341334.

It is a perfect power (a square), and thus also a powerful number.

116508899556 is a `hidden beast` number, since 11 + 65 + 0 + 8 + 8 + 9 + 9 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 116508899493 and 116508899502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 2709509271 + ... + 2709509313.

Almost surely, 2^116508899556 is an apocalyptic number.

116508899556 is the 341334-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116508899556

116508899556 is an abundant number, since it is smaller than the sum of its proper divisors (248750158335).

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

116508899556 is an frugal number, since it uses more digits than its factorization.

116508899556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 63.

It can be divided in two parts, 116508 and 899556, that added together give a square (1016064 = 1008²).

The spelling of 116508899556 in words is "one hundred sixteen billion, five hundred eight million, eight hundred ninety-nine thousand, five hundred fifty-six".