166134361 has 4 divisors (see below), whose sum is σ = 166465152. Its totient is φ = 165803572.

The previous prime is 166134343. The next prime is 166134379. The reversal of 166134361 is 163431661.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (166134343) and next prime (166134379).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166134361 is a prime.

It is a Smith number, since the sum of its digits (31) 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 not an unprimeable number, because it can be changed into a prime (166134061) 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 3 ways as a sum of consecutive naturals, for example, 164641 + ... + 165646.

It is an arithmetic number, because the mean of its divisors is an integer number (41616288).

Almost surely, 2^166134361 is an apocalyptic number.

It is an amenable number.

166134361 is a deficient number, since it is larger than the sum of its proper divisors (330791).

166134361 is an equidigital number, since it uses as much as digits as its factorization.

166134361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330790.

The product of its digits is 7776, while the sum is 31.

The square root of 166134361 is about 12889.3118900894. The cubic root of 166134361 is about 549.7347051123.

The spelling of 166134361 in words is "one hundred sixty-six million, one hundred thirty-four thousand, three hundred sixty-one".