16295861 has 2 divisors, whose sum is σ = 16295862. Its totient is φ = 16295860.

The previous prime is 16295837. The next prime is 16295893. The reversal of 16295861 is 16859261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13830961 + 2464900 = 3719^2 + 1570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16295861 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16295831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8147930 + 8147931.

It is an arithmetic number, because the mean of its divisors is an integer number (8147931).

Almost surely, 2^16295861 is an apocalyptic number.

It is an amenable number.

16295861 is a deficient number, since it is larger than the sum of its proper divisors (1).

16295861 is an equidigital number, since it uses as much as digits as its factorization.

16295861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 16295861 is about 4036.8132233236. The cubic root of 16295861 is about 253.5279066519.

The spelling of 16295861 in words is "sixteen million, two hundred ninety-five thousand, eight hundred sixty-one".