16448957 has 6 divisors (see below), whose sum is σ = 19134558. Its totient is φ = 14099064.

The previous prime is 16448947. The next prime is 16448959. The reversal of 16448957 is 75984461.

It can be written as a sum of positive squares in only one way, i.e., 8726116 + 7722841 = 2954^2 + 2779^2 .

It is not a de Polignac number, because 16448957 - 2⁶ = 16448893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16448959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167798 + ... + 167895.

It is an arithmetic number, because the mean of its divisors is an integer number (3189093).

Almost surely, 2^16448957 is an apocalyptic number.

It is an amenable number.

16448957 is a deficient number, since it is larger than the sum of its proper divisors (2685601).

16448957 is an equidigital number, since it uses as much as digits as its factorization.

16448957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335707 (or 335700 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 16448957 is about 4055.7313767063. The cubic root of 16448957 is about 254.3193793839.

It can be divided in two parts, 1644 and 8957, that added together give a palindrome (10601).

The spelling of 16448957 in words is "sixteen million, four hundred forty-eight thousand, nine hundred fifty-seven".