16652885 has 4 divisors (see below), whose sum is σ = 19983468. Its totient is φ = 13322304.

The previous prime is 16652869. The next prime is 16652969. The reversal of 16652885 is 58825661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5410276 + 11242609 = 2326^2 + 3353^2 .

It is a cyclic number.

It is not a de Polignac number, because 16652885 - 2⁴ = 16652869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1665284 + ... + 1665293.

It is an arithmetic number, because the mean of its divisors is an integer number (4995867).

Almost surely, 2^16652885 is an apocalyptic number.

It is an amenable number.

16652885 is a deficient number, since it is larger than the sum of its proper divisors (3330583).

16652885 is an equidigital number, since it uses as much as digits as its factorization.

16652885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330582.

The product of its digits is 115200, while the sum is 41.

The square root of 16652885 is about 4080.7946530057. The cubic root of 16652885 is about 255.3660512414.

The spelling of 16652885 in words is "sixteen million, six hundred fifty-two thousand, eight hundred eighty-five".