16949165 has 8 divisors (see below), whose sum is σ = 20537088. Its totient is φ = 13427280.

The previous prime is 16949147. The next prime is 16949167. The reversal of 16949165 is 56194961.

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

It is not a de Polignac number, because 16949165 - 2²⁰ = 15900589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16949167) 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 7 ways as a sum of consecutive naturals, for example, 15941 + ... + 16970.

It is an arithmetic number, because the mean of its divisors is an integer number (2567136).

Almost surely, 2^16949165 is an apocalyptic number.

It is an amenable number.

16949165 is a deficient number, since it is larger than the sum of its proper divisors (3587923).

16949165 is a wasteful number, since it uses less digits than its factorization.

16949165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33019.

The product of its digits is 58320, while the sum is 41.

The square root of 16949165 is about 4116.9363609364. The cubic root of 16949165 is about 256.8716068996.

The spelling of 16949165 in words is "sixteen million, nine hundred forty-nine thousand, one hundred sixty-five".