16716120646 has 16 divisors (see below), whose sum is σ = 25560576576. Its totient is φ = 8197028136.

The previous prime is 16716120611. The next prime is 16716120667. The reversal of 16716120646 is 64602161761.

16716120646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16716120599 and 16716120608.

It is a congruent number.

It is an unprimeable number.

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, 244356 + ... + 305191.

It is an arithmetic number, because the mean of its divisors is an integer number (1597536036).

Almost surely, 2^16716120646 is an apocalyptic number.

16716120646 is a deficient number, since it is larger than the sum of its proper divisors (8844455930).

16716120646 is a wasteful number, since it uses less digits than its factorization.

16716120646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549843.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 16716120646 in words is "sixteen billion, seven hundred sixteen million, one hundred twenty thousand, six hundred forty-six".