16452643 has 2 divisors, whose sum is σ = 16452644. Its totient is φ = 16452642.

The previous prime is 16452637. The next prime is 16452647. The reversal of 16452643 is 34625461.

16452643 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 is a cyclic number.

It is not a de Polignac number, because 16452643 - 2⁹ = 16452131 is a prime.

It is not a weakly prime, because it can be changed into another prime (16452647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226321 + 8226322.

It is an arithmetic number, because the mean of its divisors is an integer number (8226322).

Almost surely, 2^16452643 is an apocalyptic number.

16452643 is a deficient number, since it is larger than the sum of its proper divisors (1).

16452643 is an equidigital number, since it uses as much as digits as its factorization.

16452643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 16452643 is about 4056.1857699075. The cubic root of 16452643 is about 254.3383745339.

The spelling of 16452643 in words is "sixteen million, four hundred fifty-two thousand, six hundred forty-three".