166612 has 12 divisors (see below), whose sum is σ = 304416. Its totient is φ = 79640.

The previous prime is 166609. The next prime is 166613. The reversal of 166612 is 216661.

It is an Ulam number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166613) 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, 814 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (25368).

2¹⁶⁶⁶¹² is an apocalyptic number.

It is an amenable number.

166612 is a deficient number, since it is larger than the sum of its proper divisors (137804).

166612 is a wasteful number, since it uses less digits than its factorization.

166612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1836 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 166612 is about 408.1813322532. The cubic root of 166612 is about 55.0261033117.

The spelling of 166612 in words is "one hundred sixty-six thousand, six hundred twelve".