16382563 has 2 divisors, whose sum is σ = 16382564. Its totient is φ = 16382562.

The previous prime is 16382551. The next prime is 16382567. The reversal of 16382563 is 36528361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16382563 is a prime.

It is not a weakly prime, because it can be changed into another prime (16382567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8191281 + 8191282.

It is an arithmetic number, because the mean of its divisors is an integer number (8191282).

Almost surely, 2^16382563 is an apocalyptic number.

16382563 is the 2164-th centered heptagonal number.

16382563 is a deficient number, since it is larger than the sum of its proper divisors (1).

16382563 is an equidigital number, since it uses as much as digits as its factorization.

16382563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 16382563 is about 4047.5378935842. The cubic root of 16382563 is about 253.9767426573.

The spelling of 16382563 in words is "sixteen million, three hundred eighty-two thousand, five hundred sixty-three".