116544891 has 8 divisors (see below), whose sum is σ = 155473744. Its totient is φ = 77656320.

The previous prime is 116544889. The next prime is 116544899. The reversal of 116544891 is 198445611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116544891 - 2¹ = 116544889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116544899) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2506 + ... + 15471.

It is an arithmetic number, because the mean of its divisors is an integer number (19434218).

Almost surely, 2^116544891 is an apocalyptic number.

116544891 is a deficient number, since it is larger than the sum of its proper divisors (38928853).

116544891 is a wasteful number, since it uses less digits than its factorization.

116544891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20141.

The product of its digits is 34560, while the sum is 39.

The square root of 116544891 is about 10795.5959075912. The cubic root of 116544891 is about 488.4623336687.

It can be divided in two parts, 1165 and 44891, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 116544891 in words is "one hundred sixteen million, five hundred forty-four thousand, eight hundred ninety-one".