16660052 has 12 divisors (see below), whose sum is σ = 29183700. Its totient is φ = 8321856.

The previous prime is 16660037. The next prime is 16660057. The reversal of 16660052 is 25006661.

It can be written as a sum of positive squares in 2 ways, for example, as 6330256 + 10329796 = 2516^2 + 3214^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16660057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6728 + ... + 8864.

It is an arithmetic number, because the mean of its divisors is an integer number (2431975).

Almost surely, 2^16660052 is an apocalyptic number.

It is an amenable number.

16660052 is a deficient number, since it is larger than the sum of its proper divisors (12523648).

16660052 is a wasteful number, since it uses less digits than its factorization.

16660052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090 (or 4088 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 16660052 is about 4081.6726963342. The cubic root of 16660052 is about 255.4026804499.

The spelling of 16660052 in words is "sixteen million, six hundred sixty thousand, fifty-two".