16540163 has 2 divisors, whose sum is σ = 16540164. Its totient is φ = 16540162.

The previous prime is 16540159. The next prime is 16540169. The reversal of 16540163 is 36104561.

It is a weak prime.

It is an emirp because it is prime and its reverse (36104561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16540163 - 2² = 16540159 is a prime.

It is not a weakly prime, because it can be changed into another prime (16540169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8270081 + 8270082.

It is an arithmetic number, because the mean of its divisors is an integer number (8270082).

Almost surely, 2^16540163 is an apocalyptic number.

16540163 is a deficient number, since it is larger than the sum of its proper divisors (1).

16540163 is an equidigital number, since it uses as much as digits as its factorization.

16540163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 16540163 is about 4066.9599211204. The cubic root of 16540163 is about 254.7885623964.

The spelling of 16540163 in words is "sixteen million, five hundred forty thousand, one hundred sixty-three".