16560451 has 2 divisors, whose sum is σ = 16560452. Its totient is φ = 16560450.

The previous prime is 16560413. The next prime is 16560469. The reversal of 16560451 is 15406561.

It is a strong prime.

It is an emirp because it is prime and its reverse (15406561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16560451 - 2¹¹ = 16558403 is a prime.

It is not a weakly prime, because it can be changed into another prime (16560151) 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, 8280225 + 8280226.

It is an arithmetic number, because the mean of its divisors is an integer number (8280226).

Almost surely, 2^16560451 is an apocalyptic number.

16560451 is the 2350-th hex number.

16560451 is a deficient number, since it is larger than the sum of its proper divisors (1).

16560451 is an equidigital number, since it uses as much as digits as its factorization.

16560451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 16560451 is about 4069.4534030997. The cubic root of 16560451 is about 254.8926935410.

The spelling of 16560451 in words is "sixteen million, five hundred sixty thousand, four hundred fifty-one".