166502 has 12 divisors (see below), whose sum is σ = 290700. Its totient is φ = 71316.

The previous prime is 166487. The next prime is 166541. The reversal of 166502 is 205661.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

166502 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 752 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (24225).

2¹⁶⁶⁵⁰² is an apocalyptic number.

166502 is a deficient number, since it is larger than the sum of its proper divisors (124198).

166502 is a wasteful number, since it uses less digits than its factorization.

166502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 166502 is about 408.0465659701. The cubic root of 166502 is about 55.0139909310.

The spelling of 166502 in words is "one hundred sixty-six thousand, five hundred two".