16109155 has 8 divisors (see below), whose sum is σ = 19387872. Its totient is φ = 12849408.

The previous prime is 16109153. The next prime is 16109161. The reversal of 16109155 is 55190161.

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 16109155 - 2¹ = 16109153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16109153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2799 + ... + 6328.

It is an arithmetic number, because the mean of its divisors is an integer number (2423484).

Almost surely, 2^16109155 is an apocalyptic number.

16109155 is a deficient number, since it is larger than the sum of its proper divisors (3278717).

16109155 is an equidigital number, since it uses as much as digits as its factorization.

16109155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9485.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 16109155 is about 4013.6211829220. The cubic root of 16109155 is about 252.5559396369. Note that the first 3 decimals are identical.

The spelling of 16109155 in words is "sixteen million, one hundred nine thousand, one hundred fifty-five".