16278648 has 32 divisors (see below), whose sum is σ = 40867200. Its totient is φ = 5403488.

The previous prime is 16278629. The next prime is 16278671. The reversal of 16278648 is 84687261.

16278648 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5023 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (1277100).

Almost surely, 2^16278648 is an apocalyptic number.

It is an amenable number.

16278648 is an abundant number, since it is smaller than the sum of its proper divisors (24588552).

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

16278648 is a wasteful number, since it uses less digits than its factorization.

16278648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2847 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 16278648 is about 4034.6806565080. The cubic root of 16278648 is about 253.4386096767.

The spelling of 16278648 in words is "sixteen million, two hundred seventy-eight thousand, six hundred forty-eight".