16996633 has 2 divisors, whose sum is σ = 16996634. Its totient is φ = 16996632.

The previous prime is 16996601. The next prime is 16996643. The reversal of 16996633 is 33669961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14722569 + 2274064 = 3837^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 16996633 - 2⁵ = 16996601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16996633.

It is not a weakly prime, because it can be changed into another prime (16996643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8498316 + 8498317.

It is an arithmetic number, because the mean of its divisors is an integer number (8498317).

Almost surely, 2^16996633 is an apocalyptic number.

It is an amenable number.

16996633 is a deficient number, since it is larger than the sum of its proper divisors (1).

16996633 is an equidigital number, since it uses as much as digits as its factorization.

16996633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 43.

The square root of 16996633 is about 4122.6972966736. The cubic root of 16996633 is about 257.1111824448. Note that the first 4 decimals are identical.

The spelling of 16996633 in words is "sixteen million, nine hundred ninety-six thousand, six hundred thirty-three".