8189162885 has 8 divisors (see below), whose sum is σ = 9849180960. Its totient is φ = 6536539984.

The previous prime is 8189162873. The next prime is 8189162893. The reversal of 8189162885 is 5882619818.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8189162885 - 2¹⁶ = 8189097349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8189162885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846355 + ... + 1850784.

It is an arithmetic number, because the mean of its divisors is an integer number (1231147620).

Almost surely, 2^8189162885 is an apocalyptic number.

It is an amenable number.

8189162885 is a deficient number, since it is larger than the sum of its proper divisors (1660018075).

8189162885 is a wasteful number, since it uses less digits than its factorization.

8189162885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697587.

The product of its digits is 2211840, while the sum is 56.

The square root of 8189162885 is about 90493.9936404621. The cubic root of 8189162885 is about 2015.6409354540.

The spelling of 8189162885 in words is "eight billion, one hundred eighty-nine million, one hundred sixty-two thousand, eight hundred eighty-five".