166327073 has 8 divisors (see below), whose sum is σ = 183054816. Its totient is φ = 149867200.

The previous prime is 166327043. The next prime is 166327081. The reversal of 166327073 is 370723661.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 166327073 - 2⁶ = 166327009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166327013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65663 + ... + 68148.

It is an arithmetic number, because the mean of its divisors is an integer number (22881852).

Almost surely, 2^166327073 is an apocalyptic number.

It is an amenable number.

166327073 is a deficient number, since it is larger than the sum of its proper divisors (16727743).

166327073 is a wasteful number, since it uses less digits than its factorization.

166327073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133935.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 166327073 is about 12896.7853746583. The cubic root of 166327073 is about 549.9471828068.

The spelling of 166327073 in words is "one hundred sixty-six million, three hundred twenty-seven thousand, seventy-three".