16652723 has 4 divisors (see below), whose sum is σ = 16685208. Its totient is φ = 16620240.

The previous prime is 16652719. The next prime is 16652729. The reversal of 16652723 is 32725661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32725661 = 1871 ⋅17491.

It is a cyclic number.

It is not a de Polignac number, because 16652723 - 2² = 16652719 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16652723.

It is not an unprimeable number, because it can be changed into a prime (16652729) 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, 15461 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (4171302).

Almost surely, 2^16652723 is an apocalyptic number.

16652723 is a deficient number, since it is larger than the sum of its proper divisors (32485).

16652723 is an equidigital number, since it uses as much as digits as its factorization.

16652723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32484.

The product of its digits is 15120, while the sum is 32.

The square root of 16652723 is about 4080.7748038822. The cubic root of 16652723 is about 255.3652231680.

The spelling of 16652723 in words is "sixteen million, six hundred fifty-two thousand, seven hundred twenty-three".