166797 has 12 divisors (see below), whose sum is σ = 247104. Its totient is φ = 108360.

The previous prime is 166783. The next prime is 166799. The reversal of 166797 is 797661.

166797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166797 - 2⁴ = 166781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172 + ... + 602.

It is an arithmetic number, because the mean of its divisors is an integer number (20592).

2¹⁶⁶⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

166797 is a deficient number, since it is larger than the sum of its proper divisors (80307).

166797 is a wasteful number, since it uses less digits than its factorization.

166797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 477 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 166797 is about 408.4078843509. The cubic root of 166797 is about 55.0464621168.

It can be divided in two parts, 1667 and 97, that added together give a square (1764 = 42²).

The spelling of 166797 in words is "one hundred sixty-six thousand, seven hundred ninety-seven".