167399 has 8 divisors (see below), whose sum is σ = 182160. Its totient is φ = 153216.

The previous prime is 167393. The next prime is 167407. The reversal of 167399 is 993761.

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 167399 - 2¹⁶ = 101863 is a prime.

It is a d-powerful number, because it can be written as 1 + 6⁶ + 3⁵ + 7⁴ + 9⁵ + 9⁵ .

It is a Duffinian 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 (167393) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 617 + ... + 845.

It is an arithmetic number, because the mean of its divisors is an integer number (22770).

2¹⁶⁷³⁹⁹ is an apocalyptic number.

167399 is a deficient number, since it is larger than the sum of its proper divisors (14761).

167399 is a wasteful number, since it uses less digits than its factorization.

167399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its digits is 10206, while the sum is 35.

The square root of 167399 is about 409.1442288485. The cubic root of 167399 is about 55.1126067576.

The spelling of 167399 in words is "one hundred sixty-seven thousand, three hundred ninety-nine".