232733138166 has 192 divisors, whose sum is σ = 578854563840. Its totient is φ = 69000180480.

The previous prime is 232733138161. The next prime is 232733138173. The reversal of 232733138166 is 661831337232.

232733138166 is a `hidden beast` number, since 2 + 3 + 273 + 313 + 8 + 1 + 66 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232733138161) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 52616631 + ... + 52621053.

It is an arithmetic number, because the mean of its divisors is an integer number (3014867520).

Almost surely, 2^232733138166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232733138166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289427281920).

232733138166 is an abundant number, since it is smaller than the sum of its proper divisors (346121425674).

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

232733138166 is a wasteful number, since it uses less digits than its factorization.

232733138166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568 (or 4519 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The spelling of 232733138166 in words is "two hundred thirty-two billion, seven hundred thirty-three million, one hundred thirty-eight thousand, one hundred sixty-six".