16652620 has 12 divisors (see below), whose sum is σ = 34970544. Its totient is φ = 6661040.

The previous prime is 16652599. The next prime is 16652633. The reversal of 16652620 is 2625661.

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 in 3 ways as a sum of consecutive naturals, for example, 416296 + ... + 416335.

It is an arithmetic number, because the mean of its divisors is an integer number (2914212).

Almost surely, 2^16652620 is an apocalyptic number.

16652620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16652620 is an abundant number, since it is smaller than the sum of its proper divisors (18317924).

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

16652620 is a wasteful number, since it uses less digits than its factorization.

16652620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832640 (or 832638 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 16652620 is about 4080.7621837103. The cubic root of 16652620 is about 255.3646966741.

The spelling of 16652620 in words is "sixteen million, six hundred fifty-two thousand, six hundred twenty".