16133287 has 2 divisors, whose sum is σ = 16133288. Its totient is φ = 16133286.

The previous prime is 16133239. The next prime is 16133303. The reversal of 16133287 is 78233161.

It is a strong prime.

It is an emirp because it is prime and its reverse (78233161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16133287 - 2¹⁵ = 16100519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16133207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8066643 + 8066644.

It is an arithmetic number, because the mean of its divisors is an integer number (8066644).

Almost surely, 2^16133287 is an apocalyptic number.

16133287 is a deficient number, since it is larger than the sum of its proper divisors (1).

16133287 is an equidigital number, since it uses as much as digits as its factorization.

16133287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 16133287 is about 4016.6263206826. The cubic root of 16133287 is about 252.6819888540.

It can be divided in two parts, 1613 and 3287, that added together give a square (4900 = 70²).

The spelling of 16133287 in words is "sixteen million, one hundred thirty-three thousand, two hundred eighty-seven".