16719612168 has 64 divisors (see below), whose sum is σ = 49311313920. Its totient is φ = 4622932800.

The previous prime is 16719612167. The next prime is 16719612181. The reversal of 16719612168 is 86121691761.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16719612167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599978 + ... + 1610393.

It is an arithmetic number, because the mean of its divisors is an integer number (770489280).

Almost surely, 2^16719612168 is an apocalyptic number.

It is an amenable number.

16719612168 is an abundant number, since it is smaller than the sum of its proper divisors (32591701752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16719612168 is a wasteful number, since it uses less digits than its factorization.

16719612168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210418 (or 3210414 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The spelling of 16719612168 in words is "sixteen billion, seven hundred nineteen million, six hundred twelve thousand, one hundred sixty-eight".