116181838 has 8 divisors (see below), whose sum is σ = 177980832. Its totient is φ = 56854896.

The previous prime is 116181817. The next prime is 116181853. The reversal of 116181838 is 838181611.

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

It is a junction number, because it is equal to n+sod(n) for n = 116181797 and 116181806.

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, 617895 + ... + 618082.

It is an arithmetic number, because the mean of its divisors is an integer number (22247604).

Almost surely, 2^116181838 is an apocalyptic number.

116181838 is a deficient number, since it is larger than the sum of its proper divisors (61798994).

116181838 is a wasteful number, since it uses less digits than its factorization.

116181838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236026.

The product of its digits is 9216, while the sum is 37.

The square root of 116181838 is about 10778.7679258810. The cubic root of 116181838 is about 487.9545974735.

It can be divided in two parts, 11618 and 1838, that added together give a square (13456 = 116²).

The spelling of 116181838 in words is "one hundred sixteen million, one hundred eighty-one thousand, eight hundred thirty-eight".