118828866 has 64 divisors (see below), whose sum is σ = 266112000. Its totient is φ = 35138880.

The previous prime is 118828813. The next prime is 118828933. The reversal of 118828866 is 668828811.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 237885 + ... + 238383.

It is an arithmetic number, because the mean of its divisors is an integer number (4158000).

Almost surely, 2^118828866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118828866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133056000).

118828866 is an abundant number, since it is smaller than the sum of its proper divisors (147283134).

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

118828866 is a wasteful number, since it uses less digits than its factorization.

118828866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its digits is 294912, while the sum is 48.

The square root of 118828866 is about 10900.8653784917. The cubic root of 118828866 is about 491.6325748394.

Subtracting 118828866 from its reverse (668828811), we obtain a palindrome (549999945).

The spelling of 118828866 in words is "one hundred eighteen million, eight hundred twenty-eight thousand, eight hundred sixty-six".