198153482865165 has 16 divisors (see below), whose sum is σ = 352272858427200. Its totient is φ = 105681857528016.

The previous prime is 198153482865133. The next prime is 198153482865187. The reversal of 198153482865165 is 561568284351891.

198153482865165 is a `hidden beast` number, since 1 + 9 + 8 + 1 + 5 + 3 + 482 + 86 + 5 + 1 + 65 = 666.

It is not a de Polignac number, because 198153482865165 - 2⁵ = 198153482865133 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 198153482865093 and 198153482865102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733901788255 + ... + 733901788524.

It is an arithmetic number, because the mean of its divisors is an integer number (22017053651700).

Almost surely, 2^{198153482865165} is an apocalyptic number.

198153482865165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198153482865165 is a deficient number, since it is larger than the sum of its proper divisors (154119375562035).

198153482865165 is a wasteful number, since it uses less digits than its factorization.

198153482865165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467803576793 (or 1467803576787 counting only the distinct ones).

The product of its digits is 497664000, while the sum is 72.

The spelling of 198153482865165 in words is "one hundred ninety-eight trillion, one hundred fifty-three billion, four hundred eighty-two million, eight hundred sixty-five thousand, one hundred sixty-five".