166022208 has 84 divisors (see below), whose sum is σ = 519153648. Its totient is φ = 50307840.

The previous prime is 166022203. The next prime is 166022231. The reversal of 166022208 is 802220661.

166022208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166022203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6766 + ... + 19437.

Almost surely, 2^166022208 is an apocalyptic number.

166022208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

166022208 is an abundant number, since it is smaller than the sum of its proper divisors (353131440).

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

166022208 is a wasteful number, since it uses less digits than its factorization.

166022208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26232 (or 26219 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 166022208 is about 12884.9605354460. The cubic root of 166022208 is about 549.6109733830.

Adding to 166022208 its reverse (802220661), we get a palindrome (968242869).

The spelling of 166022208 in words is "one hundred sixty-six million, twenty-two thousand, two hundred eight".