166965168 has 40 divisors (see below), whose sum is σ = 432726768. Its totient is φ = 55474432.

The previous prime is 166965167. The next prime is 166965181. The reversal of 166965168 is 861569661.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (166965167) 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 7 ways as a sum of consecutive naturals, for example, 9730 + ... + 20702.

Almost surely, 2^166965168 is an apocalyptic number.

It is an amenable number.

166965168 is an abundant number, since it is smaller than the sum of its proper divisors (265761600).

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

166965168 is a wasteful number, since it uses less digits than its factorization.

166965168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11301 (or 11295 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 166965168 is about 12921.5002224974. The cubic root of 166965168 is about 550.6495554316.

The spelling of 166965168 in words is "one hundred sixty-six million, nine hundred sixty-five thousand, one hundred sixty-eight".