16543996 has 24 divisors (see below), whose sum is σ = 33202400. Its totient is φ = 7065792.

The previous prime is 16543981. The next prime is 16543999. The reversal of 16543996 is 69934561.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16543999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8926 + ... + 10618.

Almost surely, 2^16543996 is an apocalyptic number.

It is an amenable number.

16543996 is an abundant number, since it is smaller than the sum of its proper divisors (16658404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16543996 is a wasteful number, since it uses less digits than its factorization.

16543996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2051 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The square root of 16543996 is about 4067.4311303328. The cubic root of 16543996 is about 254.8082423542.

The spelling of 16543996 in words is "sixteen million, five hundred forty-three thousand, nine hundred ninety-six".