16719255522 has 30 divisors (see below), whose sum is σ = 37467205083. Its totient is φ = 5572536588.

The previous prime is 16719255491. The next prime is 16719255541. The reversal of 16719255522 is 22555291761.

16719255522 is a `hidden beast` number, since 1 + 6 + 7 + 1 + 92 + 5 + 552 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8359627761 + 8359627761 = 91431^2 + 91431^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=91431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1640679 + ... + 1650837.

Almost surely, 2^16719255522 is an apocalyptic number.

16719255522 is an abundant number, since it is smaller than the sum of its proper divisors (20747949561).

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

16719255522 is an frugal number, since it uses more digits than its factorization.

16719255522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20332 (or 10164 counting only the distinct ones).

The product of its digits is 378000, while the sum is 45.

The spelling of 16719255522 in words is "sixteen billion, seven hundred nineteen million, two hundred fifty-five thousand, five hundred twenty-two".