16382438506 has 32 divisors (see below), whose sum is σ = 28757127168. Its totient is φ = 6853034160.

The previous prime is 16382438437. The next prime is 16382438519. The reversal of 16382438506 is 60583428361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944371 + ... + 961561.

It is an arithmetic number, because the mean of its divisors is an integer number (898660224).

Almost surely, 2^16382438506 is an apocalyptic number.

16382438506 is a deficient number, since it is larger than the sum of its proper divisors (12374688662).

16382438506 is a wasteful number, since it uses less digits than its factorization.

16382438506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18826.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 16382438506 in words is "sixteen billion, three hundred eighty-two million, four hundred thirty-eight thousand, five hundred six".