180536168 has 16 divisors (see below), whose sum is σ = 338650980. Its totient is φ = 90229248.

The previous prime is 180536159. The next prime is 180536197. The reversal of 180536168 is 861635081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119727364 + 60808804 = 10942^2 + 7798^2 .

It is a super-2 number, since 2×180536168² = 65186615912248448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27896 + ... + 33752.

Almost surely, 2^180536168 is an apocalyptic number.

It is an amenable number.

180536168 is a deficient number, since it is larger than the sum of its proper divisors (158114812).

180536168 is a wasteful number, since it uses less digits than its factorization.

180536168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716 (or 9712 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 180536168 is about 13436.3748087049. The cubic root of 180536168 is about 565.1816765064.

It can be divided in two parts, 1805 and 36168, that added together give a palindrome (37973).

The spelling of 180536168 in words is "one hundred eighty million, five hundred thirty-six thousand, one hundred sixty-eight".