16720652 has 24 divisors (see below), whose sum is σ = 32111856. Its totient is φ = 7570368.

The previous prime is 16720643. The next prime is 16720663. The reversal of 16720652 is 25602761.

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 7 ways as a sum of consecutive naturals, for example, 278 + ... + 5789.

It is an arithmetic number, because the mean of its divisors is an integer number (1337994).

Almost surely, 2^16720652 is an apocalyptic number.

It is an amenable number.

16720652 is a deficient number, since it is larger than the sum of its proper divisors (15391204).

16720652 is a wasteful number, since it uses less digits than its factorization.

16720652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137 (or 6135 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 16720652 is about 4089.0893851810. The cubic root of 16720652 is about 255.7119766876.

The spelling of 16720652 in words is "sixteen million, seven hundred twenty thousand, six hundred fifty-two".