113266161 has 16 divisors (see below), whose sum is σ = 168030720. Its totient is φ = 75407760.

The previous prime is 113266159. The next prime is 113266177. The reversal of 113266161 is 161662311.

113266161 is a `hidden beast` number, since 11 + 32 + 6 + 616 + 1 = 666.

It is not a de Polignac number, because 113266161 - 2¹ = 113266159 is a prime.

It is a super-3 number, since 3×113266161³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (113266061) 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 15 ways as a sum of consecutive naturals, for example, 20871 + ... + 25731.

It is an arithmetic number, because the mean of its divisors is an integer number (10501920).

Almost surely, 2^113266161 is an apocalyptic number.

It is an amenable number.

113266161 is a deficient number, since it is larger than the sum of its proper divisors (54764559).

113266161 is an equidigital number, since it uses as much as digits as its factorization.

113266161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733 (or 5727 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 113266161 is about 10642.6576098266. The cubic root of 113266161 is about 483.8380958482.

The spelling of 113266161 in words is "one hundred thirteen million, two hundred sixty-six thousand, one hundred sixty-one".