167798 has 8 divisors (see below), whose sum is σ = 256608. Its totient is φ = 82264.

The previous prime is 167779. The next prime is 167801. The reversal of 167798 is 897761.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686 + ... + 897.

It is an arithmetic number, because the mean of its divisors is an integer number (32076).

2¹⁶⁷⁷⁹⁸ is an apocalyptic number.

167798 is a deficient number, since it is larger than the sum of its proper divisors (88810).

167798 is a wasteful number, since it uses less digits than its factorization.

167798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638.

The product of its digits is 21168, while the sum is 38.

The square root of 167798 is about 409.6315417543. The cubic root of 167798 is about 55.1563594722.

The spelling of 167798 in words is "one hundred sixty-seven thousand, seven hundred ninety-eight".