16627247 has 16 divisors (see below), whose sum is σ = 20704320. Its totient is φ = 13001472.

The previous prime is 16627231. The next prime is 16627249. The reversal of 16627247 is 74272661.

It is a cyclic number.

It is not a de Polignac number, because 16627247 - 2⁴ = 16627231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16627249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7073 + ... + 9125.

It is an arithmetic number, because the mean of its divisors is an integer number (1294020).

Almost surely, 2^16627247 is an apocalyptic number.

16627247 is a deficient number, since it is larger than the sum of its proper divisors (4077073).

16627247 is a wasteful number, since it uses less digits than its factorization.

16627247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162.

The product of its digits is 28224, while the sum is 35.

The square root of 16627247 is about 4077.6521430843. The cubic root of 16627247 is about 255.2349340695.

The spelling of 16627247 in words is "sixteen million, six hundred twenty-seven thousand, two hundred forty-seven".