180166481516036 has 12 divisors (see below), whose sum is σ = 315310230408012. Its totient is φ = 90077844256608.

The previous prime is 180166481516033. The next prime is 180166481516117. The reversal of 180166481516036 is 630615184661081.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10956960616900 + 169209520899136 = 3310130^2 + 13008056^2 .

It is a super-2 number, since 2×180166481516036² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180166481516033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349050235 + ... + 1349183778.

It is an arithmetic number, because the mean of its divisors is an integer number (26275852534001).

Almost surely, 2^{180166481516036} is an apocalyptic number.

It is an amenable number.

180166481516036 is a deficient number, since it is larger than the sum of its proper divisors (135143748891976).

180166481516036 is a wasteful number, since it uses less digits than its factorization.

180166481516036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698250710 (or 2698250708 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 180166481516036 in words is "one hundred eighty trillion, one hundred sixty-six billion, four hundred eighty-one million, five hundred sixteen thousand, thirty-six".