180734732810 has 16 divisors (see below), whose sum is σ = 325432739016. Its totient is φ = 72269399808.

The previous prime is 180734732779. The next prime is 180734732813. The reversal of 180734732810 is 18237437081.

It can be written as a sum of positive squares in 4 ways, for example, as 175478047801 + 5256685009 = 418901^2 + 72503^2 .

It is a super-2 number, since 2×180734732810² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (180734732813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030659 + ... + 3089718.

Almost surely, 2^180734732810 is an apocalyptic number.

180734732810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180734732810 is a deficient number, since it is larger than the sum of its proper divisors (144698006206).

180734732810 is a wasteful number, since it uses less digits than its factorization.

180734732810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123337.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 180734732810 in words is "one hundred eighty billion, seven hundred thirty-four million, seven hundred thirty-two thousand, eight hundred ten".