166002 has 16 divisors (see below), whose sum is σ = 337440. Its totient is φ = 54432.

The previous prime is 165983. The next prime is 166013. The reversal of 166002 is 200661.

It is an unprimeable number.

166002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249 + ... + 627.

It is an arithmetic number, because the mean of its divisors is an integer number (21090).

2¹⁶⁶⁰⁰² is an apocalyptic number.

166002 is an abundant number, since it is smaller than the sum of its proper divisors (171438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166002 is a wasteful number, since it uses less digits than its factorization.

166002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 166002 is about 407.4334301453. The cubic root of 166002 is about 54.9588673175.

Adding to 166002 its reverse (200661), we get a palindrome (366663).

The spelling of 166002 in words is "one hundred sixty-six thousand, two".