16287011516 has 12 divisors (see below), whose sum is σ = 28763759640. Its totient is φ = 8068794480.

The previous prime is 16287011497. The next prime is 16287011549. The reversal of 16287011516 is 61511078261.

It is a self number, because there is not a number n which added to its sum of digits gives 16287011516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18677330 + ... + 18678201.

It is an arithmetic number, because the mean of its divisors is an integer number (2396979970).

Almost surely, 2^16287011516 is an apocalyptic number.

It is an amenable number.

16287011516 is a deficient number, since it is larger than the sum of its proper divisors (12476748124).

16287011516 is a wasteful number, since it uses less digits than its factorization.

16287011516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37355644 (or 37355642 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 38.

Adding to 16287011516 its reverse (61511078261), we get a palindrome (77798089777).

The spelling of 16287011516 in words is "sixteen billion, two hundred eighty-seven million, eleven thousand, five hundred sixteen".