16195940 has 12 divisors (see below), whose sum is σ = 34011516. Its totient is φ = 6478368.

The previous prime is 16195939. The next prime is 16195987. The reversal of 16195940 is 4959161.

16195940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5607424 + 10588516 = 2368^2 + 3254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16195940.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404879 + ... + 404918.

It is an arithmetic number, because the mean of its divisors is an integer number (2834293).

Almost surely, 2^16195940 is an apocalyptic number.

16195940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16195940 is an abundant number, since it is smaller than the sum of its proper divisors (17815576).

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

16195940 is a wasteful number, since it uses less digits than its factorization.

16195940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809806 (or 809804 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 16195940 is about 4024.4179703406. The cubic root of 16195940 is about 253.0086599441.

The spelling of 16195940 in words is "sixteen million, one hundred ninety-five thousand, nine hundred forty".