16061165 has 4 divisors (see below), whose sum is σ = 19273404. Its totient is φ = 12848928.

The previous prime is 16061159. The next prime is 16061189. The reversal of 16061165 is 56116061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2540836 + 13520329 = 1594^2 + 3677^2 .

It is a cyclic number.

It is not a de Polignac number, because 16061165 - 2²² = 11866861 is a prime.

It is a super-2 number, since 2×16061165² = 515922042314450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606112 + ... + 1606121.

It is an arithmetic number, because the mean of its divisors is an integer number (4818351).

Almost surely, 2^16061165 is an apocalyptic number.

It is an amenable number.

16061165 is a deficient number, since it is larger than the sum of its proper divisors (3212239).

16061165 is an equidigital number, since it uses as much as digits as its factorization.

16061165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212238.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 16061165 is about 4007.6383319856. The cubic root of 16061165 is about 252.3048978115.

The spelling of 16061165 in words is "sixteen million, sixty-one thousand, one hundred sixty-five".