166516363132 has 12 divisors (see below), whose sum is σ = 333032726320. Its totient is φ = 71364155616.

The previous prime is 166516363129. The next prime is 166516363159. The reversal of 166516363132 is 231363615661.

It is a happy number.

166516363132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

166516363132 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2973506457 + ... + 2973506512.

Almost surely, 2^166516363132 is an apocalyptic number.

It is an amenable number.

166516363132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166516363132 is a wasteful number, since it uses less digits than its factorization.

166516363132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5947012980 (or 5947012978 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

Adding to 166516363132 its reverse (231363615661), we get a palindrome (397879978793).

The spelling of 166516363132 in words is "one hundred sixty-six billion, five hundred sixteen million, three hundred sixty-three thousand, one hundred thirty-two".