16030534138 has 4 divisors (see below), whose sum is σ = 24045801210. Its totient is φ = 8015267068.

The previous prime is 16030534133. The next prime is 16030534139. The reversal of 16030534138 is 83143503061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16018192969 + 12341169 = 126563^2 + 3513^2 .

It is not an unprimeable number, because it can be changed into a prime (16030534133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4007633533 + ... + 4007633536.

Almost surely, 2^16030534138 is an apocalyptic number.

16030534138 is a deficient number, since it is larger than the sum of its proper divisors (8015267072).

16030534138 is an equidigital number, since it uses as much as digits as its factorization.

16030534138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8015267071.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 16030534138 in words is "sixteen billion, thirty million, five hundred thirty-four thousand, one hundred thirty-eight".