16396563 has 16 divisors (see below), whose sum is σ = 23112320. Its totient is φ = 10310976.

The previous prime is 16396553. The next prime is 16396591. The reversal of 16396563 is 36569361.

16396563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16396563 - 2⁴ = 16396547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16396553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17031 + ... + 17967.

It is an arithmetic number, because the mean of its divisors is an integer number (1444520).

Almost surely, 2^16396563 is an apocalyptic number.

16396563 is a deficient number, since it is larger than the sum of its proper divisors (6715757).

16396563 is a wasteful number, since it uses less digits than its factorization.

16396563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266.

The product of its digits is 87480, while the sum is 39.

The square root of 16396563 is about 4049.2669706998. The cubic root of 16396563 is about 254.0490687849.

The spelling of 16396563 in words is "sixteen million, three hundred ninety-six thousand, five hundred sixty-three".