16659652 has 6 divisors (see below), whose sum is σ = 29154398. Its totient is φ = 8329824.

The previous prime is 16659641. The next prime is 16659673. The reversal of 16659652 is 25695661.

It can be written as a sum of positive squares in only one way, i.e., 14853316 + 1806336 = 3854^2 + 1344^2 .

It is a super-2 number, since 2×16659652² = 555088009522208, which contains 22 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 as a sum of consecutive naturals, namely, 2082453 + ... + 2082460.

Almost surely, 2^16659652 is an apocalyptic number.

It is an amenable number.

16659652 is a deficient number, since it is larger than the sum of its proper divisors (12494746).

16659652 is a wasteful number, since it uses less digits than its factorization.

16659652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164917 (or 4164915 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 16659652 is about 4081.6236965208. The cubic root of 16659652 is about 255.4006364009.

The spelling of 16659652 in words is "sixteen million, six hundred fifty-nine thousand, six hundred fifty-two".