180536536 has 32 divisors (see below), whose sum is σ = 343224000. Its totient is φ = 89019936.

The previous prime is 180536533. The next prime is 180536539. The reversal of 180536536 is 635635081.

It is an interprime number because it is at equal distance from previous prime (180536533) and next prime (180536539).

It is a junction number, because it is equal to n+sod(n) for n = 180536495 and 180536504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180536533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198595 + ... + 199501.

It is an arithmetic number, because the mean of its divisors is an integer number (10725750).

Almost surely, 2^180536536 is an apocalyptic number.

It is an amenable number.

180536536 is a deficient number, since it is larger than the sum of its proper divisors (162687464).

180536536 is a wasteful number, since it uses less digits than its factorization.

180536536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 180536536 is about 13436.3885028679. The cubic root of 180536536 is about 565.1820605231.

The spelling of 180536536 in words is "one hundred eighty million, five hundred thirty-six thousand, five hundred thirty-six".