16864033 has 2 divisors, whose sum is σ = 16864034. Its totient is φ = 16864032.

The previous prime is 16864013. The next prime is 16864049. The reversal of 16864033 is 33046861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12054784 + 4809249 = 3472^2 + 2193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16864033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16863986 and 16864004.

It is not a weakly prime, because it can be changed into another prime (16864013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8432016 + 8432017.

It is an arithmetic number, because the mean of its divisors is an integer number (8432017).

Almost surely, 2^16864033 is an apocalyptic number.

It is an amenable number.

16864033 is a deficient number, since it is larger than the sum of its proper divisors (1).

16864033 is an equidigital number, since it uses as much as digits as its factorization.

16864033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 16864033 is about 4106.5841036073. The cubic root of 16864033 is about 256.4408146082.

The spelling of 16864033 in words is "sixteen million, eight hundred sixty-four thousand, thirty-three".