16150661 has 2 divisors, whose sum is σ = 16150662. Its totient is φ = 16150660.

The previous prime is 16150613. The next prime is 16150691. The reversal of 16150661 is 16605161.

16150661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15358561 + 792100 = 3919^2 + 890^2 .

It is an emirp because it is prime and its reverse (16605161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16150661 - 2¹⁴ = 16134277 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16150661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16150691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8075330 + 8075331.

It is an arithmetic number, because the mean of its divisors is an integer number (8075331).

Almost surely, 2^16150661 is an apocalyptic number.

It is an amenable number.

16150661 is a deficient number, since it is larger than the sum of its proper divisors (1).

16150661 is an equidigital number, since it uses as much as digits as its factorization.

16150661 is an evil number, because the sum of its binary digits is even.

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

The square root of 16150661 is about 4018.7884990380. The cubic root of 16150661 is about 252.7726610547.

The spelling of 16150661 in words is "sixteen million, one hundred fifty thousand, six hundred sixty-one".