166969077168 has 30 divisors (see below), whose sum is σ = 431344096204. Its totient is φ = 55655415392.

The previous prime is 166969077151. The next prime is 166969077169. The reversal of 166969077168 is 861770969661.

It is a junction number, because it is equal to n+sod(n) for n = 166969077099 and 166969077108.

It is not an unprimeable number, because it can be changed into a prime (166969077169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2801503 + ... + 2860481.

Almost surely, 2^166969077168 is an apocalyptic number.

It is an amenable number.

166969077168 is an abundant number, since it is smaller than the sum of its proper divisors (264375019036).

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

166969077168 is an frugal number, since it uses more digits than its factorization.

166969077168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117969 (or 58984 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 66.

The spelling of 166969077168 in words is "one hundred sixty-six billion, nine hundred sixty-nine million, seventy-seven thousand, one hundred sixty-eight".