166907 has 8 divisors (see below), whose sum is σ = 185136. Its totient is φ = 149472.

The previous prime is 166871. The next prime is 166909. The reversal of 166907 is 709661.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166907 - 2⁶ = 166843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166907.

It is not an unprimeable number, because it can be changed into a prime (166909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308 + ... + 654.

It is an arithmetic number, because the mean of its divisors is an integer number (23142).

2¹⁶⁶⁹⁰⁷ is an apocalyptic number.

166907 is a deficient number, since it is larger than the sum of its proper divisors (18229).

166907 is a wasteful number, since it uses less digits than its factorization.

166907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 166907 is about 408.5425314456. The cubic root of 166907 is about 55.0585602165.

The spelling of 166907 in words is "one hundred sixty-six thousand, nine hundred seven".