189054210188 has 48 divisors (see below), whose sum is σ = 340163712000. Its totient is φ = 91892941440.

The previous prime is 189054210151. The next prime is 189054210203. The reversal of 189054210188 is 881012450981.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34692488 + ... + 34697936.

It is an arithmetic number, because the mean of its divisors is an integer number (7086744000).

Almost surely, 2^189054210188 is an apocalyptic number.

It is an amenable number.

189054210188 is a deficient number, since it is larger than the sum of its proper divisors (151109501812).

189054210188 is a wasteful number, since it uses less digits than its factorization.

189054210188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6710 (or 6708 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 47.

The spelling of 189054210188 in words is "one hundred eighty-nine billion, fifty-four million, two hundred ten thousand, one hundred eighty-eight".