16725623206 has 4 divisors (see below), whose sum is σ = 25088434812. Its totient is φ = 8362811602.

The previous prime is 16725623197. The next prime is 16725623231. The reversal of 16725623206 is 60232652761.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4181405800 + ... + 4181405803.

It is an arithmetic number, because the mean of its divisors is an integer number (6272108703).

Almost surely, 2^16725623206 is an apocalyptic number.

16725623206 is a deficient number, since it is larger than the sum of its proper divisors (8362811606).

16725623206 is an equidigital number, since it uses as much as digits as its factorization.

16725623206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362811605.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 16725623206 in words is "sixteen billion, seven hundred twenty-five million, six hundred twenty-three thousand, two hundred six".