166322007 has 12 divisors (see below), whose sum is σ = 240865560. Its totient is φ = 110593968.

The previous prime is 166321949. The next prime is 166322017. The reversal of 166322007 is 700223661.

It is a happy number.

166322007 is a `hidden beast` number, since 1 + 6 + 632 + 20 + 0 + 7 = 666.

It is not a de Polignac number, because 166322007 - 2⁷ = 166321879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166322017) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 20253 + ... + 27254.

It is an arithmetic number, because the mean of its divisors is an integer number (20072130).

Almost surely, 2^166322007 is an apocalyptic number.

166322007 is a deficient number, since it is larger than the sum of its proper divisors (74543553).

166322007 is a wasteful number, since it uses less digits than its factorization.

166322007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47902 (or 47899 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 166322007 is about 12896.5889676302. The cubic root of 166322007 is about 549.9415993087.

Adding to 166322007 its reverse (700223661), we get a palindrome (866545668).

The spelling of 166322007 in words is "one hundred sixty-six million, three hundred twenty-two thousand, seven".