238566665832 has 32 divisors (see below), whose sum is σ = 650636362080. Its totient is φ = 72292928960.

The previous prime is 238566665809. The next prime is 238566665867.

238566665832 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×238566665832³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451830543 + ... + 451831070.

It is an arithmetic number, because the mean of its divisors is an integer number (20332386315).

Almost surely, 2^238566665832 is an apocalyptic number.

238566665832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

238566665832 is an abundant number, since it is smaller than the sum of its proper divisors (412069696248).

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

238566665832 is a wasteful number, since it uses less digits than its factorization.

238566665832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903661633 (or 903661629 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 60.

The spelling of 238566665832 in words is "two hundred thirty-eight billion, five hundred sixty-six million, six hundred sixty-five thousand, eight hundred thirty-two".