165566010161115 has 12 divisors (see below), whose sum is σ = 286981084279344. Its totient is φ = 88301872085904.

The previous prime is 165566010161099. The next prime is 165566010161119. The reversal of 165566010161115 is 511161010665561.

165566010161115 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 6 + 6 + 0 + 10 + 1 + 611 + 15 = 666.

It is not a de Polignac number, because 165566010161115 - 2⁴ = 165566010161099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3679244670247 = 165566010161115 / (1 + 6 + 5 + 5 + 6 + 6 + 0 + 1 + 0 + 1 + 6 + 1 + 1 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (165566010161119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1839622335079 + ... + 1839622335168.

It is an arithmetic number, because the mean of its divisors is an integer number (23915090356612).

Almost surely, 2^{165566010161115} is an apocalyptic number.

165566010161115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

165566010161115 is a deficient number, since it is larger than the sum of its proper divisors (121415074118229).

165566010161115 is a wasteful number, since it uses less digits than its factorization.

165566010161115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679244670258 (or 3679244670255 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The spelling of 165566010161115 in words is "one hundred sixty-five trillion, five hundred sixty-six billion, ten million, one hundred sixty-one thousand, one hundred fifteen".