16133387 has 2 divisors, whose sum is σ = 16133388. Its totient is φ = 16133386.

The previous prime is 16133371. The next prime is 16133389. The reversal of 16133387 is 78333161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16133387 - 2⁴ = 16133371 is a prime.

Together with 16133389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16133389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8066693 + 8066694.

It is an arithmetic number, because the mean of its divisors is an integer number (8066694).

Almost surely, 2^16133387 is an apocalyptic number.

16133387 is a deficient number, since it is larger than the sum of its proper divisors (1).

16133387 is an equidigital number, since it uses as much as digits as its factorization.

16133387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 16133387 is about 4016.6387689211. The cubic root of 16133387 is about 252.6825109246.

The spelling of 16133387 in words is "sixteen million, one hundred thirty-three thousand, three hundred eighty-seven".