16732861 has 2 divisors, whose sum is σ = 16732862. Its totient is φ = 16732860.

The previous prime is 16732831. The next prime is 16732867. The reversal of 16732861 is 16823761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16728100 + 4761 = 4090^2 + 69^2 .

It is a cyclic number.

It is not a de Polignac number, because 16732861 - 2⁵ = 16732829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16732867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8366430 + 8366431.

It is an arithmetic number, because the mean of its divisors is an integer number (8366431).

Almost surely, 2^16732861 is an apocalyptic number.

It is an amenable number.

16732861 is a deficient number, since it is larger than the sum of its proper divisors (1).

16732861 is an equidigital number, since it uses as much as digits as its factorization.

16732861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 16732861 is about 4090.5819879328. The cubic root of 16732861 is about 255.7741996991.

The spelling of 16732861 in words is "sixteen million, seven hundred thirty-two thousand, eight hundred sixty-one".