8160109 has 4 divisors (see below), whose sum is σ = 8168704. Its totient is φ = 8151516.

The previous prime is 8160083. The next prime is 8160127. The reversal of 8160109 is 9010618.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8160109 - 2⁵ = 8160077 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8160149) 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 3 ways as a sum of consecutive naturals, for example, 2667 + ... + 4840.

It is an arithmetic number, because the mean of its divisors is an integer number (2042176).

Almost surely, 2^8160109 is an apocalyptic number.

It is an amenable number.

8160109 is a deficient number, since it is larger than the sum of its proper divisors (8595).

8160109 is a wasteful number, since it uses less digits than its factorization.

8160109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8594.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 8160109 is about 2856.5904501696. The cubic root of 8160109 is about 201.3254383286.

The spelling of 8160109 in words is "eight million, one hundred sixty thousand, one hundred nine".