238159616256 has 135 divisors (see below), whose sum is σ = 710358489841. Its totient is φ = 79363113984.

The previous prime is 238159616249. The next prime is 238159616287. The reversal of 238159616256 is 652616951832.

The square root of 238159616256 is 488016.

It is a perfect power (a square), and thus also a powerful number.

238159616256 is a `hidden beast` number, since 2 + 3 + 8 + 1 + 5 + 9 + 6 + 1 + 625 + 6 = 666.

238159616256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 231184025856 + 6975590400 = 480816^2 + 83520^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 70272610 + ... + 70275998.

Almost surely, 2^238159616256 is an apocalyptic number.

238159616256 is the 488016-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238159616256

238159616256 is an abundant number, since it is smaller than the sum of its proper divisors (472198873585).

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

238159616256 is an frugal number, since it uses more digits than its factorization.

238159616256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806 (or 3394 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The spelling of 238159616256 in words is "two hundred thirty-eight billion, one hundred fifty-nine million, six hundred sixteen thousand, two hundred fifty-six".