161171105095 has 32 divisors (see below), whose sum is σ = 259677089280. Its totient is φ = 92741811840.

The previous prime is 161171105087. The next prime is 161171105101. The reversal of 161171105095 is 590501171161.

161171105095 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161171105095 - 2³ = 161171105087 is a prime.

It is a super-2 number, since 2×161171105095² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 16096005 + ... + 16106014.

It is an arithmetic number, because the mean of its divisors is an integer number (8114909040).

Almost surely, 2^161171105095 is an apocalyptic number.

161171105095 is a deficient number, since it is larger than the sum of its proper divisors (98505984185).

161171105095 is a wasteful number, since it uses less digits than its factorization.

161171105095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32202055.

The product of its (nonzero) digits is 9450, while the sum is 37.

The spelling of 161171105095 in words is "one hundred sixty-one billion, one hundred seventy-one million, one hundred five thousand, ninety-five".