16320135436 has 24 divisors (see below), whose sum is σ = 31180753296. Its totient is φ = 7412497920.

The previous prime is 16320135397. The next prime is 16320135449. The reversal of 16320135436 is 63453102361.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85921 + ... + 200056.

It is an arithmetic number, because the mean of its divisors is an integer number (1299198054).

Almost surely, 2^16320135436 is an apocalyptic number.

It is an amenable number.

16320135436 is a deficient number, since it is larger than the sum of its proper divisors (14860617860).

16320135436 is a wasteful number, since it uses less digits than its factorization.

16320135436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287289 (or 287287 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 16320135436 its reverse (63453102361), we get a palindrome (79773237797).

The spelling of 16320135436 in words is "sixteen billion, three hundred twenty million, one hundred thirty-five thousand, four hundred thirty-six".