16661148 has 24 divisors (see below), whose sum is σ = 44429952. Its totient is φ = 4760304.

The previous prime is 16661147. The next prime is 16661213. The reversal of 16661148 is 84116661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16661143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99090 + ... + 99257.

It is an arithmetic number, because the mean of its divisors is an integer number (1851248).

Almost surely, 2^16661148 is an apocalyptic number.

It is an amenable number.

16661148 is an abundant number, since it is smaller than the sum of its proper divisors (27768804).

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

16661148 is a wasteful number, since it uses less digits than its factorization.

16661148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198361 (or 198359 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 16661148 is about 4081.8069528090. The cubic root of 16661148 is about 255.4082809767.

The spelling of 16661148 in words is "sixteen million, six hundred sixty-one thousand, one hundred forty-eight".