18012877060 has 12 divisors (see below), whose sum is σ = 37827041868. Its totient is φ = 7205150816.

The previous prime is 18012877009. The next prime is 18012877061. The reversal of 18012877060 is 6077821081.

It can be written as a sum of positive squares in 2 ways, for example, as 7048274116 + 10964602944 = 83954^2 + 104712^2 .

It is not an unprimeable number, because it can be changed into a prime (18012877061) 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 3 ways as a sum of consecutive naturals, for example, 450321907 + ... + 450321946.

It is an arithmetic number, because the mean of its divisors is an integer number (3152253489).

Almost surely, 2^18012877060 is an apocalyptic number.

18012877060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18012877060 is an abundant number, since it is smaller than the sum of its proper divisors (19814164808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18012877060 is a wasteful number, since it uses less digits than its factorization.

18012877060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900643862 (or 900643860 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 18012877060 in words is "eighteen billion, twelve million, eight hundred seventy-seven thousand, sixty".