16043963 has 8 divisors (see below), whose sum is σ = 17411856. Its totient is φ = 14695200.

The previous prime is 16043953. The next prime is 16043981. The reversal of 16043963 is 36934061.

It is a happy number.

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

It is not a de Polignac number, because 16043963 - 2⁴ = 16043947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16043953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3008 + ... + 6413.

It is an arithmetic number, because the mean of its divisors is an integer number (2176482).

Almost surely, 2^16043963 is an apocalyptic number.

16043963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16043963 is a deficient number, since it is larger than the sum of its proper divisors (1367893).

16043963 is a wasteful number, since it uses less digits than its factorization.

16043963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9565.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 16043963 is about 4005.4916052839. The cubic root of 16043963 is about 252.2147902083.

The spelling of 16043963 in words is "sixteen million, forty-three thousand, nine hundred sixty-three".