166468 has 6 divisors (see below), whose sum is σ = 291326. Its totient is φ = 83232.

The previous prime is 166457. The next prime is 166471. The reversal of 166468 is 864661.

It can be written as a sum of positive squares in only one way, i.e., 166464 + 4 = 408^2 + 2^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20805 + ... + 20812.

2¹⁶⁶⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

166468 is a deficient number, since it is larger than the sum of its proper divisors (124858).

166468 is a wasteful number, since it uses less digits than its factorization.

166468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41621 (or 41619 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 166468 is about 408.0049019313. The cubic root of 166468 is about 55.0102460250.

The spelling of 166468 in words is "one hundred sixty-six thousand, four hundred sixty-eight".