16516165 has 8 divisors (see below), whose sum is σ = 20155680. Its totient is φ = 12988752.

The previous prime is 16516127. The next prime is 16516183. The reversal of 16516165 is 56161561.

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 16516165 - 2⁷ = 16516037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27699 + ... + 28288.

It is an arithmetic number, because the mean of its divisors is an integer number (2519460).

Almost surely, 2^16516165 is an apocalyptic number.

It is an amenable number.

16516165 is a deficient number, since it is larger than the sum of its proper divisors (3639515).

16516165 is an equidigital number, since it uses as much as digits as its factorization.

16516165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56051.

The product of its digits is 5400, while the sum is 31.

The square root of 16516165 is about 4064.0084891644. The cubic root of 16516165 is about 254.6652791408.

The spelling of 16516165 in words is "sixteen million, five hundred sixteen thousand, one hundred sixty-five".