16018464325138 has 128 divisors (see below), whose sum is σ = 27748102846464. Its totient is φ = 6870818572800.

The previous prime is 16018464325133. The next prime is 16018464325147. The reversal of 16018464325138 is 83152346481061.

It is not an unprimeable number, because it can be changed into a prime (16018464325133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1294206006 + ... + 1294218382.

It is an arithmetic number, because the mean of its divisors is an integer number (216782053488).

Almost surely, 2^{16018464325138} is an apocalyptic number.

16018464325138 is a deficient number, since it is larger than the sum of its proper divisors (11729638521326).

16018464325138 is a wasteful number, since it uses less digits than its factorization.

16018464325138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12880.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 16018464325138 in words is "sixteen trillion, eighteen billion, four hundred sixty-four million, three hundred twenty-five thousand, one hundred thirty-eight".