166135 has 8 divisors (see below), whose sum is σ = 201600. Its totient is φ = 131424.

The previous prime is 166099. The next prime is 166147. The reversal of 166135 is 531661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166135 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (25200).

2¹⁶⁶¹³⁵ is an apocalyptic number.

166135 is a deficient number, since it is larger than the sum of its proper divisors (35465).

166135 is a wasteful number, since it uses less digits than its factorization.

166135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377.

The product of its digits is 540, while the sum is 22.

The square root of 166135 is about 407.5966143137. The cubic root of 166135 is about 54.9735409923.

Adding to 166135 its reverse (531661), we get a palindrome (697796).

The spelling of 166135 in words is "one hundred sixty-six thousand, one hundred thirty-five".