16723985 has 8 divisors (see below), whose sum is σ = 20112000. Its totient is φ = 13350384.

The previous prime is 16723957. The next prime is 16723997. The reversal of 16723985 is 58932761.

16723985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16723985 - 2¹⁰ = 16722961 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857 + ... + 5846.

It is an arithmetic number, because the mean of its divisors is an integer number (2514000).

Almost surely, 2^16723985 is an apocalyptic number.

It is an amenable number.

16723985 is a deficient number, since it is larger than the sum of its proper divisors (3388015).

16723985 is an equidigital number, since it uses as much as digits as its factorization.

16723985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207.

The product of its digits is 90720, while the sum is 41.

The square root of 16723985 is about 4089.4969128244. The cubic root of 16723985 is about 255.7289662841.

The spelling of 16723985 in words is "sixteen million, seven hundred twenty-three thousand, nine hundred eighty-five".