16155166117 has 2 divisors, whose sum is σ = 16155166118. Its totient is φ = 16155166116.

The previous prime is 16155166063. The next prime is 16155166171. The reversal of 16155166117 is 71166155161.

16155166117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (16155166171) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (16155166063) and next prime (16155166171).

It can be written as a sum of positive squares in only one way, i.e., 14720726241 + 1434439876 = 121329^2 + 37874^2 .

It is a cyclic number.

It is not a de Polignac number, because 16155166117 - 2⁷ = 16155165989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16155166117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16155166717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8077583058 + 8077583059.

It is an arithmetic number, because the mean of its divisors is an integer number (8077583059).

Almost surely, 2^16155166117 is an apocalyptic number.

It is an amenable number.

16155166117 is a deficient number, since it is larger than the sum of its proper divisors (1).

16155166117 is an equidigital number, since it uses as much as digits as its factorization.

16155166117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 40.

The spelling of 16155166117 in words is "sixteen billion, one hundred fifty-five million, one hundred sixty-six thousand, one hundred seventeen".