189005570068 has 36 divisors (see below), whose sum is σ = 384973126272. Its totient is φ = 80957800560.

The previous prime is 189005570059. The next prime is 189005570081. The reversal of 189005570068 is 860075500981.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 92823 + ... + 621793.

It is an arithmetic number, because the mean of its divisors is an integer number (10693697952).

Almost surely, 2^189005570068 is an apocalyptic number.

It is an amenable number.

189005570068 is an abundant number, since it is smaller than the sum of its proper divisors (195967556204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189005570068 is a wasteful number, since it uses less digits than its factorization.

189005570068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530812 (or 530803 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 189005570068 in words is "one hundred eighty-nine billion, five million, five hundred seventy thousand, sixty-eight".