16008169117 has 4 divisors (see below), whose sum is σ = 16009870240. Its totient is φ = 16006467996.

The previous prime is 16008169097. The next prime is 16008169147. The reversal of 16008169117 is 71196180061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71196180061 = 127 ⋅560599843.

It is a cyclic number.

It is not a de Polignac number, because 16008169117 - 2⁷ = 16008168989 is a prime.

It is a super-2 number, since 2×16008169117² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16008169117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16008169147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836367 + ... + 855292.

It is an arithmetic number, because the mean of its divisors is an integer number (4002467560).

Almost surely, 2^16008169117 is an apocalyptic number.

It is an amenable number.

16008169117 is a deficient number, since it is larger than the sum of its proper divisors (1701123).

16008169117 is an equidigital number, since it uses as much as digits as its factorization.

16008169117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701122.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 16008169117 in words is "sixteen billion, eight million, one hundred sixty-nine thousand, one hundred seventeen".