109516161 has 8 divisors (see below), whose sum is σ = 146077344. Its totient is φ = 72982880.

The previous prime is 109516139. The next prime is 109516163. The reversal of 109516161 is 161615901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109516161 - 2⁵ = 109516129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109516163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5245 + ... + 15701.

It is an arithmetic number, because the mean of its divisors is an integer number (18259668).

Almost surely, 2^109516161 is an apocalyptic number.

It is an amenable number.

109516161 is a deficient number, since it is larger than the sum of its proper divisors (36561183).

109516161 is a wasteful number, since it uses less digits than its factorization.

109516161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13951.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 109516161 is about 10464.9969421878. The cubic root of 109516161 is about 478.4384453640.

The spelling of 109516161 in words is "one hundred nine million, five hundred sixteen thousand, one hundred sixty-one".