18653600066120 has 16 divisors (see below), whose sum is σ = 41970600148860. Its totient is φ = 7461440026432.

The previous prime is 18653600066107. The next prime is 18653600066161. The reversal of 18653600066120 is 2166000635681.

It can be written as a sum of positive squares in 2 ways, for example, as 17656753576036 + 996846490084 = 4201994^2 + 998422^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233170000787 + ... + 233170000866.

Almost surely, 2^{18653600066120} is an apocalyptic number.

18653600066120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18653600066120 is an abundant number, since it is smaller than the sum of its proper divisors (23317000082740).

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

18653600066120 is a wasteful number, since it uses less digits than its factorization.

18653600066120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466340001664 (or 466340001660 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 18653600066120 in words is "eighteen trillion, six hundred fifty-three billion, six hundred million, sixty-six thousand, one hundred twenty".