16651817098 has 24 divisors (see below), whose sum is σ = 29069846784. Its totient is φ = 7133023800.

The previous prime is 16651817093. The next prime is 16651817129. The reversal of 16651817098 is 89071815661.

It is not an unprimeable number, because it can be changed into a prime (16651817093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166633 + ... + 247123.

It is an arithmetic number, because the mean of its divisors is an integer number (1211243616).

Almost surely, 2^16651817098 is an apocalyptic number.

16651817098 is a deficient number, since it is larger than the sum of its proper divisors (12418029686).

16651817098 is a wasteful number, since it uses less digits than its factorization.

16651817098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82618 (or 82611 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 52.

The spelling of 16651817098 in words is "sixteen billion, six hundred fifty-one million, eight hundred seventeen thousand, ninety-eight".