16040563 has 8 divisors (see below), whose sum is σ = 19998720. Its totient is φ = 12499080.

The previous prime is 16040513. The next prime is 16040569. The reversal of 16040563 is 36504061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-16040563 is a prime.

It is a super-2 number, since 2×16040563² = 514599322713938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16040569) 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 in 7 ways as a sum of consecutive naturals, for example, 104083 + ... + 104236.

It is an arithmetic number, because the mean of its divisors is an integer number (2499840).

Almost surely, 2^16040563 is an apocalyptic number.

16040563 is a deficient number, since it is larger than the sum of its proper divisors (3958157).

16040563 is a wasteful number, since it uses less digits than its factorization.

16040563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208337.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 16040563 is about 4005.0671654793. The cubic root of 16040563 is about 252.1969726888.

The spelling of 16040563 in words is "sixteen million, forty thousand, five hundred sixty-three".