16996563 has 24 divisors (see below), whose sum is σ = 26178048. Its totient is φ = 10601712.

The previous prime is 16996561. The next prime is 16996571. The reversal of 16996563 is 36569961.

It is not a de Polignac number, because 16996563 - 2¹ = 16996561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16996561) 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 in 23 ways as a sum of consecutive naturals, for example, 8856 + ... + 10602.

It is an arithmetic number, because the mean of its divisors is an integer number (1090752).

Almost surely, 2^16996563 is an apocalyptic number.

16996563 is a deficient number, since it is larger than the sum of its proper divisors (9181485).

16996563 is a wasteful number, since it uses less digits than its factorization.

16996563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823 (or 1820 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 16996563 is about 4122.6888070772. The cubic root of 16996563 is about 257.1108294767.

The spelling of 16996563 in words is "sixteen million, nine hundred ninety-six thousand, five hundred sixty-three".