238842061191 has 24 divisors (see below), whose sum is σ = 354652725024. Its totient is φ = 154778333760.

The previous prime is 238842061141. The next prime is 238842061217. The reversal of 238842061191 is 191160248832.

238842061191 is a `hidden beast` number, since 2 + 3 + 8 + 8 + 4 + 20 + 611 + 9 + 1 = 666.

It is not a de Polignac number, because 238842061191 - 2¹⁹ = 238841536903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238842061111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15310 + ... + 691316.

It is an arithmetic number, because the mean of its divisors is an integer number (14777196876).

Almost surely, 2^238842061191 is an apocalyptic number.

238842061191 is a deficient number, since it is larger than the sum of its proper divisors (115810663833).

238842061191 is a wasteful number, since it uses less digits than its factorization.

238842061191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677111 (or 677108 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 238842061191 in words is "two hundred thirty-eight billion, eight hundred forty-two million, sixty-one thousand, one hundred ninety-one".