16663948 has 12 divisors (see below), whose sum is σ = 33327952. Its totient is φ = 7141680.

The previous prime is 16663883. The next prime is 16663963. The reversal of 16663948 is 84936661.

16663948 is an admirable number.

It is a super-3 number, since 3×16663948³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297543 + ... + 297598.

Almost surely, 2^16663948 is an apocalyptic number.

It is an amenable number.

16663948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16663948 is a wasteful number, since it uses less digits than its factorization.

16663948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595152 (or 595150 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 16663948 is about 4082.1499237534. The cubic root of 16663948 is about 255.4225877765.

The spelling of 16663948 in words is "sixteen million, six hundred sixty-three thousand, nine hundred forty-eight".