116661431104 has 28 divisors (see below), whose sum is σ = 234430417600. Its totient is φ = 57592349568.

The previous prime is 116661431093. The next prime is 116661431129. The reversal of 116661431104 is 401134166611.

It is a self number, because there is not a number n which added to its sum of digits gives 116661431104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11531874 + ... + 11541985.

Almost surely, 2^116661431104 is an apocalyptic number.

It is an amenable number.

116661431104 is an abundant number, since it is smaller than the sum of its proper divisors (117768986496).

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

116661431104 is an equidigital number, since it uses as much as digits as its factorization.

116661431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23073950 (or 23073940 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

Adding to 116661431104 its reverse (401134166611), we get a palindrome (517795597715).

The spelling of 116661431104 in words is "one hundred sixteen billion, six hundred sixty-one million, four hundred thirty-one thousand, one hundred four".