16661848 has 16 divisors (see below), whose sum is σ = 35704080. Its totient is φ = 7140768.

The previous prime is 16661809. The next prime is 16661851. The reversal of 16661848 is 84816661.

It is a self number, because there is not a number n which added to its sum of digits gives 16661848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148711 + ... + 148822.

It is an arithmetic number, because the mean of its divisors is an integer number (2231505).

Almost surely, 2^16661848 is an apocalyptic number.

It is an amenable number.

16661848 is an abundant number, since it is smaller than the sum of its proper divisors (19042232).

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

16661848 is a wasteful number, since it uses less digits than its factorization.

16661848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297546 (or 297542 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 16661848 is about 4081.8926982467. The cubic root of 16661848 is about 255.4118578269.

The spelling of 16661848 in words is "sixteen million, six hundred sixty-one thousand, eight hundred forty-eight".