167240 has 32 divisors (see below), whose sum is σ = 389880. Its totient is φ = 64512.

The previous prime is 167221. The next prime is 167249. The reversal of 167240 is 42761.

It can be written as a sum of positive squares in 4 ways, for example, as 119716 + 47524 = 346^2 + 218^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424 + ... + 1536.

2¹⁶⁷²⁴⁰ is an apocalyptic number.

167240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194940).

167240 is an abundant number, since it is smaller than the sum of its proper divisors (222640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167240 is a wasteful number, since it uses less digits than its factorization.

167240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 167240 is about 408.9498746790. The cubic root of 167240 is about 55.0951520927.

The spelling of 167240 in words is "one hundred sixty-seven thousand, two hundred forty".