165188825198 has 8 divisors (see below), whose sum is σ = 253545638808. Its totient is φ = 80673612264.

The previous prime is 165188825161. The next prime is 165188825203. The reversal of 165188825198 is 891528881561.

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

It is a self number, because there is not a number n which added to its sum of digits gives 165188825198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 960400061 + ... + 960400232.

It is an arithmetic number, because the mean of its divisors is an integer number (31693204851).

Almost surely, 2^165188825198 is an apocalyptic number.

165188825198 is a deficient number, since it is larger than the sum of its proper divisors (88356813610).

165188825198 is a wasteful number, since it uses less digits than its factorization.

165188825198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920800338.

The product of its digits is 11059200, while the sum is 62.

The spelling of 165188825198 in words is "one hundred sixty-five billion, one hundred eighty-eight million, eight hundred twenty-five thousand, one hundred ninety-eight".