166002275 has 6 divisors (see below), whose sum is σ = 205842852. Its totient is φ = 132801800.

The previous prime is 166002217. The next prime is 166002299. The reversal of 166002275 is 572200661.

It is not a de Polignac number, because 166002275 - 2¹² = 165998179 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3320021 + ... + 3320070.

It is an arithmetic number, because the mean of its divisors is an integer number (34307142).

Almost surely, 2^166002275 is an apocalyptic number.

166002275 is a deficient number, since it is larger than the sum of its proper divisors (39840577).

166002275 is an equidigital number, since it uses as much as digits as its factorization.

166002275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640101 (or 6640096 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 166002275 is about 12884.1870135449. The cubic root of 166002275 is about 549.5889766591.

The spelling of 166002275 in words is "one hundred sixty-six million, two thousand, two hundred seventy-five".