109513161 has 16 divisors (see below), whose sum is σ = 162518400. Its totient is φ = 72884304.

The previous prime is 109513141. The next prime is 109513171. The reversal of 109513161 is 161315901.

It is not a de Polignac number, because 109513161 - 2⁹ = 109512649 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109513121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14335 + ... + 20603.

It is an arithmetic number, because the mean of its divisors is an integer number (10157400).

Almost surely, 2^109513161 is an apocalyptic number.

It is an amenable number.

109513161 is a deficient number, since it is larger than the sum of its proper divisors (53005239).

109513161 is an equidigital number, since it uses as much as digits as its factorization.

109513161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6925 (or 6919 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 109513161 is about 10464.8536062384. The cubic root of 109513161 is about 478.4340766680.

The spelling of 109513161 in words is "one hundred nine million, five hundred thirteen thousand, one hundred sixty-one".