189660002 has 16 divisors (see below), whose sum is σ = 333919680. Its totient is φ = 79085808.

The previous prime is 189659989. The next prime is 189660013. The reversal of 189660002 is 200066981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182552 + ... + 183587.

It is an arithmetic number, because the mean of its divisors is an integer number (20869980).

Almost surely, 2^189660002 is an apocalyptic number.

189660002 is a deficient number, since it is larger than the sum of its proper divisors (144259678).

189660002 is a wasteful number, since it uses less digits than its factorization.

189660002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366185.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 189660002 is about 13771.7102060710. The cubic root of 189660002 is about 574.5465884958.

The spelling of 189660002 in words is "one hundred eighty-nine million, six hundred sixty thousand, two".