16364165 has 8 divisors (see below), whose sum is σ = 19959288. Its totient is φ = 12876480.

The previous prime is 16364143. The next prime is 16364177. The reversal of 16364165 is 56146361.

It can be written as a sum of positive squares in 4 ways, for example, as 982081 + 15382084 = 991^2 + 3922^2 .

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

It is not a de Polignac number, because 16364165 - 2¹⁶ = 16298629 is a prime.

It is a super-2 number, since 2×16364165² = 535571792294450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 26522 + ... + 27131.

It is an arithmetic number, because the mean of its divisors is an integer number (2494911).

Almost surely, 2^16364165 is an apocalyptic number.

It is an amenable number.

16364165 is a deficient number, since it is larger than the sum of its proper divisors (3595123).

16364165 is an equidigital number, since it uses as much as digits as its factorization.

16364165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53719.

The product of its digits is 12960, while the sum is 32.

The square root of 16364165 is about 4045.2645154551. The cubic root of 16364165 is about 253.8816331116.

The spelling of 16364165 in words is "sixteen million, three hundred sixty-four thousand, one hundred sixty-five".