166002073 has 8 divisors (see below), whose sum is σ = 171859968. Its totient is φ = 160241184.

The previous prime is 166002049. The next prime is 166002097. The reversal of 166002073 is 370200661.

It is an interprime number because it is at equal distance from previous prime (166002049) and next prime (166002097).

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 166002073 - 2⁵ = 166002041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166002043) 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 7 ways as a sum of consecutive naturals, for example, 20761 + ... + 27622.

It is an arithmetic number, because the mean of its divisors is an integer number (21482496).

Almost surely, 2^166002073 is an apocalyptic number.

It is an amenable number.

166002073 is a deficient number, since it is larger than the sum of its proper divisors (5857895).

166002073 is an equidigital number, since it uses as much as digits as its factorization.

166002073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48503.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 166002073 is about 12884.1791744760. The cubic root of 166002073 is about 549.5887537364.

The spelling of 166002073 in words is "one hundred sixty-six million, two thousand, seventy-three".