189665002 has 16 divisors (see below), whose sum is σ = 291630240. Its totient is φ = 92462832.

The previous prime is 189664991. The next prime is 189665009. The reversal of 189665002 is 200566981.

It is not an unprimeable number, because it can be changed into a prime (189665009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57124 + ... + 60352.

It is an arithmetic number, because the mean of its divisors is an integer number (18226890).

Almost surely, 2^189665002 is an apocalyptic number.

189665002 is a deficient number, since it is larger than the sum of its proper divisors (101965238).

189665002 is a wasteful number, since it uses less digits than its factorization.

189665002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 189665002 is about 13771.8917364319. The cubic root of 189665002 is about 574.5516373686.

The spelling of 189665002 in words is "one hundred eighty-nine million, six hundred sixty-five thousand, two".