818002866 has 32 divisors (see below), whose sum is σ = 1732635648. Its totient is φ = 256916880.

The previous prime is 818002853. The next prime is 818002897. The reversal of 818002866 is 668200818.

818002866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34990 + ... + 53481.

It is an arithmetic number, because the mean of its divisors is an integer number (54144864).

Almost surely, 2^818002866 is an apocalyptic number.

818002866 is an abundant number, since it is smaller than the sum of its proper divisors (914632782).

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

818002866 is a wasteful number, since it uses less digits than its factorization.

818002866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88566.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 818002866 is about 28600.7493957763. The cubic root of 818002866 is about 935.2296674320.

It can be divided in two parts, 81800 and 2866, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 818002866 in words is "eight hundred eighteen million, two thousand, eight hundred sixty-six".