9161109 has 12 divisors (see below), whose sum is σ = 13291200. Its totient is φ = 6080424.

The previous prime is 9161101. The next prime is 9161137. The reversal of 9161109 is 9011619.

9161109 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 9161109 - 2³ = 9161101 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9161101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22 + ... + 4280.

It is an arithmetic number, because the mean of its divisors is an integer number (1107600).

Almost surely, 2^9161109 is an apocalyptic number.

It is an amenable number.

9161109 is a deficient number, since it is larger than the sum of its proper divisors (4130091).

9161109 is a wasteful number, since it uses less digits than its factorization.

9161109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504 (or 4501 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The square root of 9161109 is about 3026.7323964963. The cubic root of 9161109 is about 209.2422349521.

It can be divided in two parts, 916 and 1109, that added together give a square (2025 = 45²).

The spelling of 9161109 in words is "nine million, one hundred sixty-one thousand, one hundred nine".