167556 has 12 divisors (see below), whose sum is σ = 390992. Its totient is φ = 55848.

The previous prime is 167543. The next prime is 167593. The reversal of 167556 is 655761.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 6970 + ... + 6993.

2¹⁶⁷⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

167556 is an abundant number, since it is smaller than the sum of its proper divisors (223436).

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

167556 is a wasteful number, since it uses less digits than its factorization.

167556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970 (or 13968 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 167556 is about 409.3360477652. The cubic root of 167556 is about 55.1298310254.

It can be divided in two parts, 16755 and 6, that added together give a palindrome (16761).

The spelling of 167556 in words is "one hundred sixty-seven thousand, five hundred fifty-six".