167906 has 8 divisors (see below), whose sum is σ = 258780. Its totient is φ = 81648.

The previous prime is 167899. The next prime is 167911. The reversal of 167906 is 609761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 167281 + 625 = 409^2 + 25^2 .

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

It is a Curzon number.

It is an unprimeable number.

167906 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061 + ... + 1208.

2¹⁶⁷⁹⁰⁶ is an apocalyptic number.

167906 is a deficient number, since it is larger than the sum of its proper divisors (90874).

167906 is a wasteful number, since it uses less digits than its factorization.

167906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308.

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

The square root of 167906 is about 409.7633463354. The cubic root of 167906 is about 55.1681903825.

The spelling of 167906 in words is "one hundred sixty-seven thousand, nine hundred six".