238116697751 has 4 divisors (see below), whose sum is σ = 238124441904. Its totient is φ = 238108953600.

The previous prime is 238116697739. The next prime is 238116697783. The reversal of 238116697751 is 157796611832.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 238116697751 - 2¹⁴ = 238116681367 is a prime.

It is a super-3 number, since 3×238116697751³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238116691751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3825770 + ... + 3887511.

It is an arithmetic number, because the mean of its divisors is an integer number (59531110476).

Almost surely, 2^238116697751 is an apocalyptic number.

238116697751 is a deficient number, since it is larger than the sum of its proper divisors (7744153).

238116697751 is an equidigital number, since it uses as much as digits as its factorization.

238116697751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7744152.

The product of its digits is 3810240, while the sum is 56.

The spelling of 238116697751 in words is "two hundred thirty-eight billion, one hundred sixteen million, six hundred ninety-seven thousand, seven hundred fifty-one".