116847181 has 4 divisors (see below), whose sum is σ = 127469664. Its totient is φ = 106224700.

The previous prime is 116847179. The next prime is 116847197. The reversal of 116847181 is 181748611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116847181 - 2¹ = 116847179 is a prime.

It is a super-2 number, since 2×116847181² = 27306527415293522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116847181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116847161) 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 3 ways as a sum of consecutive naturals, for example, 5311225 + ... + 5311246.

It is an arithmetic number, because the mean of its divisors is an integer number (31867416).

Almost surely, 2^116847181 is an apocalyptic number.

116847181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

116847181 is a deficient number, since it is larger than the sum of its proper divisors (10622483).

116847181 is a wasteful number, since it uses less digits than its factorization.

116847181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10622482.

The product of its digits is 10752, while the sum is 37.

The square root of 116847181 is about 10809.5874574380. The cubic root of 116847181 is about 488.8842878144.

The spelling of 116847181 in words is "one hundred sixteen million, eight hundred forty-seven thousand, one hundred eighty-one".