16287887522 has 12 divisors (see below), whose sum is σ = 25785396486. Its totient is φ = 7715314800.

The previous prime is 16287887521. The next prime is 16287887543. The reversal of 16287887522 is 22578878261.

16287887522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8418246001 + 7869641521 = 91751^2 + 88711^2 .

It is not an unprimeable number, because it can be changed into a prime (16287887521) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 11278979 + ... + 11280422.

Almost surely, 2^16287887522 is an apocalyptic number.

16287887522 is a deficient number, since it is larger than the sum of its proper divisors (9497508964).

16287887522 is a wasteful number, since it uses less digits than its factorization.

16287887522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22559441 (or 22559422 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 56.

The spelling of 16287887522 in words is "sixteen billion, two hundred eighty-seven million, eight hundred eighty-seven thousand, five hundred twenty-two".