16097109 has 16 divisors (see below), whose sum is σ = 25193088. Its totient is φ = 8949312.

The previous prime is 16097101. The next prime is 16097141. The reversal of 16097109 is 90179061.

It is not a de Polignac number, because 16097109 - 2³ = 16097101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16097109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16097101) 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, 9582 + ... + 11135.

It is an arithmetic number, because the mean of its divisors is an integer number (1574568).

Almost surely, 2^16097109 is an apocalyptic number.

It is an amenable number.

16097109 is a deficient number, since it is larger than the sum of its proper divisors (9095979).

16097109 is a wasteful number, since it uses less digits than its factorization.

16097109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20764.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 16097109 is about 4012.1202624049. The cubic root of 16097109 is about 252.4929723888.

The spelling of 16097109 in words is "sixteen million, ninety-seven thousand, one hundred nine".