16733641 has 2 divisors, whose sum is σ = 16733642. Its totient is φ = 16733640.

The previous prime is 16733621. The next prime is 16733677. The reversal of 16733641 is 14633761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15968016 + 765625 = 3996^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 16733641 - 2¹¹ = 16731593 is a prime.

It is a super-2 number, since 2×16733641² = 560029482233762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16733621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8366820 + 8366821.

It is an arithmetic number, because the mean of its divisors is an integer number (8366821).

Almost surely, 2^16733641 is an apocalyptic number.

It is an amenable number.

16733641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16733641 is an equidigital number, since it uses as much as digits as its factorization.

16733641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 16733641 is about 4090.6773277784. The cubic root of 16733641 is about 255.7781739303.

The spelling of 16733641 in words is "sixteen million, seven hundred thirty-three thousand, six hundred forty-one".