16329749 has 2 divisors, whose sum is σ = 16329750. Its totient is φ = 16329748.

The previous prime is 16329739. The next prime is 16329757. The reversal of 16329749 is 94792361.

16329749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11122225 + 5207524 = 3335^2 + 2282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16329749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16329739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8164874 + 8164875.

It is an arithmetic number, because the mean of its divisors is an integer number (8164875).

Almost surely, 2^16329749 is an apocalyptic number.

It is an amenable number.

16329749 is a deficient number, since it is larger than the sum of its proper divisors (1).

16329749 is an equidigital number, since it uses as much as digits as its factorization.

16329749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 16329749 is about 4041.0084137502. The cubic root of 16329749 is about 253.7035259918.

The spelling of 16329749 in words is "sixteen million, three hundred twenty-nine thousand, seven hundred forty-nine".