166135107 has 32 divisors (see below), whose sum is σ = 242565120. Its totient is φ = 100755360.

The previous prime is 166135103. The next prime is 166135111. The reversal of 166135107 is 701531661.

It is an interprime number because it is at equal distance from previous prime (166135103) and next prime (166135111).

It is not a de Polignac number, because 166135107 - 2² = 166135103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166135103) 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 31 ways as a sum of consecutive naturals, for example, 294808 + ... + 295370.

It is an arithmetic number, because the mean of its divisors is an integer number (7580160).

Almost surely, 2^166135107 is an apocalyptic number.

166135107 is a deficient number, since it is larger than the sum of its proper divisors (76430013).

166135107 is a wasteful number, since it uses less digits than its factorization.

166135107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 166135107 is about 12889.3408287623. The cubic root of 166135107 is about 549.7355279432.

Adding to 166135107 its reverse (701531661), we get a palindrome (867666768).

The spelling of 166135107 in words is "one hundred sixty-six million, one hundred thirty-five thousand, one hundred seven".