166355332312 has 32 divisors (see below), whose sum is σ = 336268497600. Its totient is φ = 76697397504.

The previous prime is 166355332261. The next prime is 166355332313. The reversal of 166355332312 is 213233553661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166355332313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756112 + ... + 951007.

It is an arithmetic number, because the mean of its divisors is an integer number (10508390550).

Almost surely, 2^166355332312 is an apocalyptic number.

It is an amenable number.

166355332312 is an abundant number, since it is smaller than the sum of its proper divisors (169913165288).

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

166355332312 is a wasteful number, since it uses less digits than its factorization.

166355332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708075 (or 1708071 counting only the distinct ones).

The product of its digits is 291600, while the sum is 40.

Adding to 166355332312 its reverse (213233553661), we get a palindrome (379588885973).

The spelling of 166355332312 in words is "one hundred sixty-six billion, three hundred fifty-five million, three hundred thirty-two thousand, three hundred twelve".