167490 has 24 divisors (see below), whose sum is σ = 435708. Its totient is φ = 44640.

The previous prime is 167483. The next prime is 167491. The reversal of 167490 is 94761.

It can be written as a sum of positive squares in 2 ways, for example, as 136161 + 31329 = 369^2 + 177^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (167491) by changing a digit.

167490 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 11 ways as a sum of consecutive naturals, for example, 841 + ... + 1020.

2¹⁶⁷⁴⁹⁰ is an apocalyptic number.

167490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

167490 is an abundant number, since it is smaller than the sum of its proper divisors (268218).

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

167490 is a wasteful number, since it uses less digits than its factorization.

167490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 167490 is about 409.2554214668. The cubic root of 167490 is about 55.1225915618.

It can be divided in two parts, 1674 and 90, that added together give a square (1764 = 42²).

The spelling of 167490 in words is "one hundred sixty-seven thousand, four hundred ninety".