166135126 has 8 divisors (see below), whose sum is σ = 262318680. Its totient is φ = 78695568.

The previous prime is 166135121. The next prime is 166135129. The reversal of 166135126 is 621531661.

166135126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166135121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185951 + ... + 2186026.

It is an arithmetic number, because the mean of its divisors is an integer number (32789835).

Almost surely, 2^166135126 is an apocalyptic number.

166135126 is a deficient number, since it is larger than the sum of its proper divisors (96183554).

166135126 is a wasteful number, since it uses less digits than its factorization.

166135126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371998.

The product of its digits is 6480, while the sum is 31.

The square root of 166135126 is about 12889.3415658054. The cubic root of 166135126 is about 549.7355489000.

Adding to 166135126 its reverse (621531661), we get a palindrome (787666787).

The spelling of 166135126 in words is "one hundred sixty-six million, one hundred thirty-five thousand, one hundred twenty-six".