231666075266112 has 224 divisors, whose sum is σ = 683542015752960. Its totient is φ = 76940124549120.

The previous prime is 231666075266107. The next prime is 231666075266149. The reversal of 231666075266112 is 211662570666132.

231666075266112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9489443218 + ... + 9489467630.

It is an arithmetic number, because the mean of its divisors is an integer number (3051526856040).

Almost surely, 2^{231666075266112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231666075266112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341771007876480).

231666075266112 is an abundant number, since it is smaller than the sum of its proper divisors (451875940486848).

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

231666075266112 is a wasteful number, since it uses less digits than its factorization.

231666075266112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44258 (or 44242 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 231666075266112 in words is "two hundred thirty-one trillion, six hundred sixty-six billion, seventy-five million, two hundred sixty-six thousand, one hundred twelve".