166935127 has 4 divisors (see below), whose sum is σ = 174193200. Its totient is φ = 159677056.

The previous prime is 166935061. The next prime is 166935143. The reversal of 166935127 is 721539661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 721539661 = 937 ⋅770053.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166935127 is a prime.

It is a super-2 number, since 2×166935127² = 55734673253012258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166935127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166935227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3629002 + ... + 3629047.

It is an arithmetic number, because the mean of its divisors is an integer number (43548300).

Almost surely, 2^166935127 is an apocalyptic number.

166935127 is a deficient number, since it is larger than the sum of its proper divisors (7258073).

166935127 is an equidigital number, since it uses as much as digits as its factorization.

166935127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258072.

The product of its digits is 68040, while the sum is 40.

The square root of 166935127 is about 12920.3377277841. The cubic root of 166935127 is about 550.6165284722.

The spelling of 166935127 in words is "one hundred sixty-six million, nine hundred thirty-five thousand, one hundred twenty-seven".