16238041388 has 12 divisors (see below), whose sum is σ = 28418717040. Its totient is φ = 8118407952.

The previous prime is 16238041343. The next prime is 16238041411. The reversal of 16238041388 is 88314083261.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90731 + ... + 201762.

It is an arithmetic number, because the mean of its divisors is an integer number (2368226420).

Almost surely, 2^16238041388 is an apocalyptic number.

It is an amenable number.

16238041388 is a deficient number, since it is larger than the sum of its proper divisors (12180675652).

16238041388 is a wasteful number, since it uses less digits than its factorization.

16238041388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306376 (or 306374 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 16238041388 in words is "sixteen billion, two hundred thirty-eight million, forty-one thousand, three hundred eighty-eight".