118383646 has 16 divisors (see below), whose sum is σ = 186827760. Its totient is φ = 56185920.

The previous prime is 118383641. The next prime is 118383649. The reversal of 118383646 is 646383811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 118383599 and 118383608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118383641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16476 + ... + 22543.

It is an arithmetic number, because the mean of its divisors is an integer number (11676735).

Almost surely, 2^118383646 is an apocalyptic number.

118383646 is a deficient number, since it is larger than the sum of its proper divisors (68444114).

118383646 is a wasteful number, since it uses less digits than its factorization.

118383646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39099.

The product of its digits is 82944, while the sum is 40.

The square root of 118383646 is about 10880.4248997914. The cubic root of 118383646 is about 491.0178011170.

The spelling of 118383646 in words is "one hundred eighteen million, three hundred eighty-three thousand, six hundred forty-six".