189575091602 has 16 divisors (see below), whose sum is σ = 313705875672. Its totient is φ = 85362142080.

The previous prime is 189575091583. The next prime is 189575091631. The reversal of 189575091602 is 206190575981.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39263026201 + 150312065401 = 198149^2 + 387701^2 .

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, 88917833 + ... + 88919964.

Almost surely, 2^189575091602 is an apocalyptic number.

189575091602 is a deficient number, since it is larger than the sum of its proper divisors (124130784070).

189575091602 is a wasteful number, since it uses less digits than its factorization.

189575091602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177837853.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 189575091602 in words is "one hundred eighty-nine billion, five hundred seventy-five million, ninety-one thousand, six hundred two".