16649698627 has 8 divisors (see below), whose sum is σ = 16761722112. Its totient is φ = 16537934400.

The previous prime is 16649698591. The next prime is 16649698679. The reversal of 16649698627 is 72689694661.

It is a happy number.

16649698627 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 a de Polignac number, because none of the positive numbers 2^k-16649698627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16649698027) 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 7 ways as a sum of consecutive naturals, for example, 64927 + ... + 193687.

It is an arithmetic number, because the mean of its divisors is an integer number (2095215264).

Almost surely, 2^16649698627 is an apocalyptic number.

16649698627 is a deficient number, since it is larger than the sum of its proper divisors (112023485).

16649698627 is a wasteful number, since it uses less digits than its factorization.

16649698627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129629.

The product of its digits is 47029248, while the sum is 64.

The spelling of 16649698627 in words is "sixteen billion, six hundred forty-nine million, six hundred ninety-eight thousand, six hundred twenty-seven".