166412 has 6 divisors (see below), whose sum is σ = 291228. Its totient is φ = 83204.

The previous prime is 166409. The next prime is 166417. The reversal of 166412 is 214661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (166417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20798 + ... + 20805.

It is an arithmetic number, because the mean of its divisors is an integer number (48538).

2¹⁶⁶⁴¹² is an apocalyptic number.

It is an amenable number.

166412 is a deficient number, since it is larger than the sum of its proper divisors (124816).

166412 is a wasteful number, since it uses less digits than its factorization.

166412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41607 (or 41605 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 166412 is about 407.9362695324. The cubic root of 166412 is about 55.0040768328.

The spelling of 166412 in words is "one hundred sixty-six thousand, four hundred twelve".