168536 has 8 divisors (see below), whose sum is σ = 316020. Its totient is φ = 84264.

The previous prime is 168533. The next prime is 168541. The reversal of 168536 is 635861.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 168499 and 168508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168533) 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 as a sum of consecutive naturals, namely, 10526 + ... + 10541.

2¹⁶⁸⁵³⁶ is an apocalyptic number.

It is an amenable number.

168536 is a deficient number, since it is larger than the sum of its proper divisors (147484).

168536 is a wasteful number, since it uses less digits than its factorization.

168536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21073 (or 21069 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 168536 is about 410.5313629919. The cubic root of 168536 is about 55.2371031096.

The spelling of 168536 in words is "one hundred sixty-eight thousand, five hundred thirty-six".