166265002 has 4 divisors (see below), whose sum is σ = 249397506. Its totient is φ = 83132500.

The previous prime is 166264979. The next prime is 166265027. The reversal of 166265002 is 200562661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 163865601 + 2399401 = 12801^2 + 1549^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41566249 + ... + 41566252.

Almost surely, 2^166265002 is an apocalyptic number.

166265002 is a deficient number, since it is larger than the sum of its proper divisors (83132504).

166265002 is an equidigital number, since it uses as much as digits as its factorization.

166265002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83132503.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 166265002 is about 12894.3786977117. The cubic root of 166265002 is about 549.8787633604.

The spelling of 166265002 in words is "one hundred sixty-six million, two hundred sixty-five thousand, two".