16334749 has 2 divisors, whose sum is σ = 16334750. Its totient is φ = 16334748.

The previous prime is 16334741. The next prime is 16334753. The reversal of 16334749 is 94743361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13505625 + 2829124 = 3675^2 + 1682^2 .

It is an emirp because it is prime and its reverse (94743361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16334749 - 2³ = 16334741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16334741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8167374 + 8167375.

It is an arithmetic number, because the mean of its divisors is an integer number (8167375).

Almost surely, 2^16334749 is an apocalyptic number.

It is an amenable number.

16334749 is a deficient number, since it is larger than the sum of its proper divisors (1).

16334749 is an equidigital number, since it uses as much as digits as its factorization.

16334749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 16334749 is about 4041.6270238606. The cubic root of 16334749 is about 253.7294171468.

The spelling of 16334749 in words is "sixteen million, three hundred thirty-four thousand, seven hundred forty-nine".