16066117 has 4 divisors (see below), whose sum is σ = 16092940. Its totient is φ = 16039296.

The previous prime is 16066111. The next prime is 16066123. The reversal of 16066117 is 71166061.

16066117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71166061 = 811 ⋅87751.

It is an interprime number because it is at equal distance from previous prime (16066111) and next prime (16066123).

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 14145121 = 1386^2 + 3761^2 .

It is a cyclic number.

It is not a de Polignac number, because 16066117 - 2³ = 16066109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12492 + ... + 13717.

It is an arithmetic number, because the mean of its divisors is an integer number (4023235).

Almost surely, 2^16066117 is an apocalyptic number.

It is an amenable number.

16066117 is a deficient number, since it is larger than the sum of its proper divisors (26823).

16066117 is an equidigital number, since it uses as much as digits as its factorization.

16066117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26822.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16066117 is about 4008.2561045921. The cubic root of 16066117 is about 252.3308254756.

The spelling of 16066117 in words is "sixteen million, sixty-six thousand, one hundred seventeen".