16168075159105 has 4 divisors (see below), whose sum is σ = 19401690190932. Its totient is φ = 12934460127280.

The previous prime is 16168075159081. The next prime is 16168075159123. The reversal of 16168075159105 is 50195157086161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10156006548801 + 6012068610304 = 3186849^2 + 2451952^2 .

It is not a de Polignac number, because 16168075159105 - 2¹⁷ = 16168075028033 is a prime.

It is a super-2 number, since 2×16168075159105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616807515906 + ... + 1616807515915.

It is an arithmetic number, because the mean of its divisors is an integer number (4850422547733).

Almost surely, 2^{16168075159105} is an apocalyptic number.

It is an amenable number.

16168075159105 is a deficient number, since it is larger than the sum of its proper divisors (3233615031827).

16168075159105 is an equidigital number, since it uses as much as digits as its factorization.

16168075159105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233615031826.

The product of its (nonzero) digits is 2268000, while the sum is 55.

The spelling of 16168075159105 in words is "sixteen trillion, one hundred sixty-eight billion, seventy-five million, one hundred fifty-nine thousand, one hundred five".