216592348338 has 12 divisors (see below), whose sum is σ = 469283421438. Its totient is φ = 72197449440.

The previous prime is 216592348333. The next prime is 216592348373. The reversal of 216592348338 is 833843295612.

216592348338 is a `hidden beast` number, since 2 + 1 + 6 + 592 + 3 + 48 + 3 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 206922182769 + 9670165569 = 454887^2 + 98337^2 .

It is not an unprimeable number, because it can be changed into a prime (216592348333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6016454103 + ... + 6016454138.

Almost surely, 2^216592348338 is an apocalyptic number.

216592348338 is an abundant number, since it is smaller than the sum of its proper divisors (252691073100).

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

216592348338 is a wasteful number, since it uses less digits than its factorization.

216592348338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12032908249 (or 12032908246 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 216592348338 in words is "two hundred sixteen billion, five hundred ninety-two million, three hundred forty-eight thousand, three hundred thirty-eight".