161116266 has 16 divisors (see below), whose sum is σ = 322660800. Its totient is φ = 53634048.

The previous prime is 161116261. The next prime is 161116271. The reversal of 161116266 is 662611161.

161116266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161116261) and next prime (161116271).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (161116261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12846 + ... + 22073.

It is an arithmetic number, because the mean of its divisors is an integer number (20166300).

Almost surely, 2^161116266 is an apocalyptic number.

161116266 is an abundant number, since it is smaller than the sum of its proper divisors (161544534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161116266 is a wasteful number, since it uses less digits than its factorization.

161116266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35693.

The product of its digits is 2592, while the sum is 30.

The square root of 161116266 is about 12693.1582358371. The cubic root of 161116266 is about 544.1431036619.

The spelling of 161116266 in words is "one hundred sixty-one million, one hundred sixteen thousand, two hundred sixty-six".