16319956 has 6 divisors (see below), whose sum is σ = 28559930. Its totient is φ = 8159976.

The previous prime is 16319911. The next prime is 16319969. The reversal of 16319956 is 65991361.

16319956 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 only one way, i.e., 10956100 + 5363856 = 3310^2 + 2316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039991 + ... + 2039998.

Almost surely, 2^16319956 is an apocalyptic number.

It is an amenable number.

16319956 is a deficient number, since it is larger than the sum of its proper divisors (12239974).

16319956 is a wasteful number, since it uses less digits than its factorization.

16319956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079993 (or 4079991 counting only the distinct ones).

The product of its digits is 43740, while the sum is 40.

The square root of 16319956 is about 4039.7965295297. The cubic root of 16319956 is about 253.6528002590.

The spelling of 16319956 in words is "sixteen million, three hundred nineteen thousand, nine hundred fifty-six".