16393133 has 2 divisors, whose sum is σ = 16393134. Its totient is φ = 16393132.

The previous prime is 16393127. The next prime is 16393159. The reversal of 16393133 is 33139361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13823524 + 2569609 = 3718^2 + 1603^2 .

It is a cyclic number.

It is not a de Polignac number, because 16393133 - 2¹⁴ = 16376749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16393096 and 16393105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16393163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8196566 + 8196567.

It is an arithmetic number, because the mean of its divisors is an integer number (8196567).

Almost surely, 2^16393133 is an apocalyptic number.

It is an amenable number.

16393133 is a deficient number, since it is larger than the sum of its proper divisors (1).

16393133 is an equidigital number, since it uses as much as digits as its factorization.

16393133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374, while the sum is 29.

The square root of 16393133 is about 4048.8434151002. The cubic root of 16393133 is about 254.0313526925.

The spelling of 16393133 in words is "sixteen million, three hundred ninety-three thousand, one hundred thirty-three".