16043956 has 12 divisors (see below), whose sum is σ = 28762020. Its totient is φ = 7826240.

The previous prime is 16043953. The next prime is 16043981. The reversal of 16043956 is 65934061.

It can be written as a sum of positive squares in 2 ways, for example, as 4928400 + 11115556 = 2220^2 + 3334^2 .

16043956 is a modest number, since divided by 43956 gives 16 as remainder.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48751 + ... + 49078.

It is an arithmetic number, because the mean of its divisors is an integer number (2396835).

Almost surely, 2^16043956 is an apocalyptic number.

It is an amenable number.

16043956 is a deficient number, since it is larger than the sum of its proper divisors (12718064).

16043956 is a wasteful number, since it uses less digits than its factorization.

16043956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97874 (or 97872 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 16043956 is about 4005.4907314835. The cubic root of 16043956 is about 252.2147535277.

The spelling of 16043956 in words is "sixteen million, forty-three thousand, nine hundred fifty-six".