16013968 has 20 divisors (see below), whose sum is σ = 31163308. Its totient is φ = 7971840.

The previous prime is 16013951. The next prime is 16013969. The reversal of 16013968 is 86931061.

It can be written as a sum of positive squares in 2 ways, for example, as 4804864 + 11209104 = 2192^2 + 3348^2 .

It is a super-2 number, since 2×16013968² = 512894342210048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16013969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1780 + ... + 5932.

Almost surely, 2^16013968 is an apocalyptic number.

It is an amenable number.

16013968 is a deficient number, since it is larger than the sum of its proper divisors (15149340).

16013968 is a wasteful number, since it uses less digits than its factorization.

16013968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402 (or 4396 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 16013968 is about 4001.7456191017. The cubic root of 16013968 is about 252.0575160561.

The spelling of 16013968 in words is "sixteen million, thirteen thousand, nine hundred sixty-eight".