16158386238 has 8 divisors (see below), whose sum is σ = 32316772488. Its totient is φ = 5386128744.

The previous prime is 16158386203. The next prime is 16158386243. The reversal of 16158386238 is 83268385161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

16158386238 is an admirable number.

It is a super-2 number, since 2×16158386238² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1346532181 + ... + 1346532192.

It is an arithmetic number, because the mean of its divisors is an integer number (4039596561).

Almost surely, 2^16158386238 is an apocalyptic number.

16158386238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16158386238 is a wasteful number, since it uses less digits than its factorization.

16158386238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693064378.

The product of its digits is 1658880, while the sum is 51.

The spelling of 16158386238 in words is "sixteen billion, one hundred fifty-eight million, three hundred eighty-six thousand, two hundred thirty-eight".