116643204565500 has 96 divisors (see below), whose sum is σ = 339704808468480. Its totient is φ = 31101210158400.

The previous prime is 116643204565499. The next prime is 116643204565501. The reversal of 116643204565500 is 5565402346611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (116643204565499) and next prime (116643204565501).

It is a self number, because there is not a number n which added to its sum of digits gives 116643204565500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116643204565501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8263281 + ... + 17365719.

It is an arithmetic number, because the mean of its divisors is an integer number (3538591754880).

Almost surely, 2^{116643204565500} is an apocalyptic number.

116643204565500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116643204565500 is an abundant number, since it is smaller than the sum of its proper divisors (223061603902980).

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

116643204565500 is a wasteful number, since it uses less digits than its factorization.

116643204565500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9111004 (or 9110992 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 116643204565500 in words is "one hundred sixteen trillion, six hundred forty-three billion, two hundred four million, five hundred sixty-five thousand, five hundred".