669189202 has 16 divisors (see below), whose sum is σ = 1095444000. Its totient is φ = 304063840.

The previous prime is 669189197. The next prime is 669189203. The reversal of 669189202 is 202981966.

It is not an unprimeable number, because it can be changed into a prime (669189203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 93549 + ... + 100447.

It is an arithmetic number, because the mean of its divisors is an integer number (68465250).

Almost surely, 2^669189202 is an apocalyptic number.

669189202 is a deficient number, since it is larger than the sum of its proper divisors (426254798).

669189202 is a wasteful number, since it uses less digits than its factorization.

669189202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 669189202 is about 25868.6915401611. The cubic root of 669189202 is about 874.6808967562.

The spelling of 669189202 in words is "six hundred sixty-nine million, one hundred eighty-nine thousand, two hundred two".