16719185145652 has 48 divisors (see below), whose sum is σ = 33797126760768. Its totient is φ = 7152354091520.

The previous prime is 16719185145631. The next prime is 16719185145661. The reversal of 16719185145652 is 25654158191761.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23060658 + ... + 23774614.

It is an arithmetic number, because the mean of its divisors is an integer number (704106807516).

Almost surely, 2^{16719185145652} is an apocalyptic number.

It is an amenable number.

16719185145652 is an abundant number, since it is smaller than the sum of its proper divisors (17077941615116).

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

16719185145652 is a wasteful number, since it uses less digits than its factorization.

16719185145652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745296 (or 745294 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 61.

The spelling of 16719185145652 in words is "sixteen trillion, seven hundred nineteen billion, one hundred eighty-five million, one hundred forty-five thousand, six hundred fifty-two".