238666575168 has 1344 divisors, whose sum is σ = 923163609600. Its totient is φ = 60699082752.

The previous prime is 238666575157. The next prime is 238666575193. The reversal of 238666575168 is 861575666832.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2681646868 + ... + 2681646956.

Almost surely, 2^238666575168 is an apocalyptic number.

238666575168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238666575168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461581804800).

238666575168 is an abundant number, since it is smaller than the sum of its proper divisors (684497034432).

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

238666575168 is an equidigital number, since it uses as much as digits as its factorization.

238666575168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 141 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 238666575168 in words is "two hundred thirty-eight billion, six hundred sixty-six million, five hundred seventy-five thousand, one hundred sixty-eight".