16064165 has 8 divisors (see below), whose sum is σ = 20759928. Its totient is φ = 11862720.

The previous prime is 16064149. The next prime is 16064171. The reversal of 16064165 is 56146061.

It can be written as a sum of positive squares in 4 ways, for example, as 2748964 + 13315201 = 1658^2 + 3649^2 .

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

It is not a de Polignac number, because 16064165 - 2⁴ = 16064149 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 123506 + ... + 123635.

It is an arithmetic number, because the mean of its divisors is an integer number (2594991).

Almost surely, 2^16064165 is an apocalyptic number.

It is an amenable number.

16064165 is a deficient number, since it is larger than the sum of its proper divisors (4695763).

16064165 is a wasteful number, since it uses less digits than its factorization.

16064165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247159.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 16064165 is about 4008.0125997806. The cubic root of 16064165 is about 252.3206058371.

The spelling of 16064165 in words is "sixteen million, sixty-four thousand, one hundred sixty-five".