16987142252 has 12 divisors (see below), whose sum is σ = 29740257456. Its totient is φ = 8489925840.

The previous prime is 16987142239. The next prime is 16987142257. The reversal of 16987142252 is 25224178961.

16987142252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16987142197 and 16987142206.

It is not an unprimeable number, because it can be changed into a prime (16987142257) 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 3 ways as a sum of consecutive naturals, for example, 900824 + ... + 919487.

It is an arithmetic number, because the mean of its divisors is an integer number (2478354788).

Almost surely, 2^16987142252 is an apocalyptic number.

It is an amenable number.

16987142252 is a deficient number, since it is larger than the sum of its proper divisors (12753115204).

16987142252 is a wasteful number, since it uses less digits than its factorization.

16987142252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822648 (or 1822646 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The spelling of 16987142252 in words is "sixteen billion, nine hundred eighty-seven million, one hundred forty-two thousand, two hundred fifty-two".