16106261 has 2 divisors, whose sum is σ = 16106262. Its totient is φ = 16106260.

The previous prime is 16106239. The next prime is 16106269. The reversal of 16106261 is 16260161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13912900 + 2193361 = 3730^2 + 1481^2 .

It is an emirp because it is prime and its reverse (16260161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16106261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16106269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8053130 + 8053131.

It is an arithmetic number, because the mean of its divisors is an integer number (8053131).

Almost surely, 2^16106261 is an apocalyptic number.

It is an amenable number.

16106261 is a deficient number, since it is larger than the sum of its proper divisors (1).

16106261 is an equidigital number, since it uses as much as digits as its factorization.

16106261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 16106261 is about 4013.2606444137. The cubic root of 16106261 is about 252.5408148903.

The spelling of 16106261 in words is "sixteen million, one hundred six thousand, two hundred sixty-one".