16065091 has 10 divisors (see below), whose sum is σ = 18744292. Its totient is φ = 13768020.

The previous prime is 16065079. The next prime is 16065103. The reversal of 16065091 is 19056061.

It is an interprime number because it is at equal distance from previous prime (16065079) and next prime (16065103).

It is not a de Polignac number, because 16065091 - 2¹¹ = 16063043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16065011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 945 + ... + 5746.

Almost surely, 2^16065091 is an apocalyptic number.

16065091 is a deficient number, since it is larger than the sum of its proper divisors (2679201).

16065091 is an frugal number, since it uses more digits than its factorization.

16065091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719 (or 6698 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 16065091 is about 4008.1281167148. The cubic root of 16065091 is about 252.3254539860.

The spelling of 16065091 in words is "sixteen million, sixty-five thousand, ninety-one".