166692996 has 36 divisors (see below), whose sum is σ = 422004492. Its totient is φ = 55479744.

The previous prime is 166692991. The next prime is 166692997. The reversal of 166692996 is 699296661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 135489600 + 31203396 = 11640^2 + 5586^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166692991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23230 + ... + 29546.

It is an arithmetic number, because the mean of its divisors is an integer number (11722347).

Almost surely, 2^166692996 is an apocalyptic number.

It is an amenable number.

166692996 is an abundant number, since it is smaller than the sum of its proper divisors (255311496).

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

166692996 is a wasteful number, since it uses less digits than its factorization.

166692996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060 (or 7055 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 166692996 is about 12910.9641777832. The cubic root of 166692996 is about 550.3501858043.

The spelling of 166692996 in words is "one hundred sixty-six million, six hundred ninety-two thousand, nine hundred ninety-six".