116506646536 has 48 divisors (see below), whose sum is σ = 254449836540. Its totient is φ = 49865679360.

The previous prime is 116506646521. The next prime is 116506646539. The reversal of 116506646536 is 635646605611.

It can be written as a sum of positive squares in 2 ways, for example, as 93326584036 + 23180062500 = 305494^2 + 152250^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 116506646536.

It is not an unprimeable number, because it can be changed into a prime (116506646539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103036 + ... + 493588.

Almost surely, 2^116506646536 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 116506646536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127224918270).

116506646536 is an abundant number, since it is smaller than the sum of its proper divisors (137943190004).

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

116506646536 is a wasteful number, since it uses less digits than its factorization.

116506646536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391334 (or 391323 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 116506646536 in words is "one hundred sixteen billion, five hundred six million, six hundred forty-six thousand, five hundred thirty-six".