16660048 has 10 divisors (see below), whose sum is σ = 32278874. Its totient is φ = 8330016.

The previous prime is 16660037. The next prime is 16660057. The reversal of 16660048 is 84006661.

It can be written as a sum of positive squares in only one way, i.e., 16064064 + 595984 = 4008^2 + 772^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 520611 + ... + 520642.

Almost surely, 2^16660048 is an apocalyptic number.

It is an amenable number.

16660048 is a deficient number, since it is larger than the sum of its proper divisors (15618826).

16660048 is a wasteful number, since it uses less digits than its factorization.

16660048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041261 (or 1041255 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 16660048 is about 4081.6722063390. The cubic root of 16660048 is about 255.4026600096.

The spelling of 16660048 in words is "sixteen million, six hundred sixty thousand, forty-eight".