666202402 has 16 divisors (see below), whose sum is σ = 1010715552. Its totient is φ = 329304960.

The previous prime is 666202391. The next prime is 666202417. The reversal of 666202402 is 204202666.

666202402 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 7 ways as a sum of consecutive naturals, for example, 295893 + ... + 298135.

It is an arithmetic number, because the mean of its divisors is an integer number (63169722).

Almost surely, 2^666202402 is an apocalyptic number.

666202402 is a deficient number, since it is larger than the sum of its proper divisors (344513150).

666202402 is a wasteful number, since it uses less digits than its factorization.

666202402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 666202402 is about 25810.8969623297. The cubic root of 666202402 is about 873.3776313732.

The spelling of 666202402 in words is "six hundred sixty-six million, two hundred two thousand, four hundred two".