16834661 has 2 divisors, whose sum is σ = 16834662. Its totient is φ = 16834660.

The previous prime is 16834637. The next prime is 16834669. The reversal of 16834661 is 16643861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11222500 + 5612161 = 3350^2 + 2369^2 .

It is a cyclic number.

It is not a de Polignac number, because 16834661 - 2¹⁰ = 16833637 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 (16834669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8417330 + 8417331.

It is an arithmetic number, because the mean of its divisors is an integer number (8417331).

Almost surely, 2^16834661 is an apocalyptic number.

It is an amenable number.

16834661 is a deficient number, since it is larger than the sum of its proper divisors (1).

16834661 is an equidigital number, since it uses as much as digits as its factorization.

16834661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 16834661 is about 4103.0063368218. The cubic root of 16834661 is about 256.2918475380.

The spelling of 16834661 in words is "sixteen million, eight hundred thirty-four thousand, six hundred sixty-one".