16945448 has 16 divisors (see below), whose sum is σ = 34216980. Its totient is φ = 7820928.

The previous prime is 16945429. The next prime is 16945451. The reversal of 16945448 is 84454961.

It can be written as a sum of positive squares in 2 ways, for example, as 14760964 + 2184484 = 3842^2 + 1478^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81365 + ... + 81572.

Almost surely, 2^16945448 is an apocalyptic number.

It is an amenable number.

16945448 is an abundant number, since it is smaller than the sum of its proper divisors (17271532).

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

16945448 is a wasteful number, since it uses less digits than its factorization.

16945448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162956 (or 162952 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 16945448 is about 4116.4849082682. The cubic root of 16945448 is about 256.8528279693.

The spelling of 16945448 in words is "sixteen million, nine hundred forty-five thousand, four hundred forty-eight".