115818066 has 192 divisors, whose sum is σ = 333792000. Its totient is φ = 29719872.

The previous prime is 115818047. The next prime is 115818089. The reversal of 115818066 is 660818511.

115818066 is a `hidden beast` number, since 11 + 581 + 8 + 0 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 115818066.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3130200 + ... + 3130236.

It is an arithmetic number, because the mean of its divisors is an integer number (1738500).

Almost surely, 2^115818066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115818066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166896000).

115818066 is an abundant number, since it is smaller than the sum of its proper divisors (217973934).

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

115818066 is a wasteful number, since it uses less digits than its factorization.

115818066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 115818066 is about 10761.8802260572. The cubic root of 115818066 is about 487.4447937485. Note that the first 3 decimals are identical.

The spelling of 115818066 in words is "one hundred fifteen million, eight hundred eighteen thousand, sixty-six".