166602 has 8 divisors (see below), whose sum is σ = 333216. Its totient is φ = 55532.

The previous prime is 166601. The next prime is 166603. The reversal of 166602 is 206661.

It is an interprime number because it is at equal distance from previous prime (166601) and next prime (166603).

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

166602 is an admirable number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 166602.

It is not an unprimeable number, because it can be changed into a prime (166601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13878 + ... + 13889.

It is an arithmetic number, because the mean of its divisors is an integer number (41652).

2¹⁶⁶⁶⁰² is an apocalyptic number.

166602 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

166602 is a wasteful number, since it uses less digits than its factorization.

166602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27772.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 166602 is about 408.1690826116. The cubic root of 166602 is about 55.0250024066.

The spelling of 166602 in words is "one hundred sixty-six thousand, six hundred two".