18757706133664 has 12 divisors (see below), whose sum is σ = 36929233950714. Its totient is φ = 9378853066816.

The previous prime is 18757706133589. The next prime is 18757706133689. The reversal of 18757706133664 is 46633160775781.

It can be written as a sum of positive squares in only one way, i.e., 13050098450064 + 5707607683600 = 3612492^2 + 2389060^2 .

It is a super-3 number, since 3×18757706133664³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18757706133596 and 18757706133605.

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 as a sum of consecutive naturals, namely, 293089158307 + ... + 293089158370.

Almost surely, 2^{18757706133664} is an apocalyptic number.

It is an amenable number.

18757706133664 is a deficient number, since it is larger than the sum of its proper divisors (18171527817050).

18757706133664 is an equidigital number, since it uses as much as digits as its factorization.

18757706133664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586178316687 (or 586178316679 counting only the distinct ones).

The product of its (nonzero) digits is 106686720, while the sum is 64.

The spelling of 18757706133664 in words is "eighteen trillion, seven hundred fifty-seven billion, seven hundred six million, one hundred thirty-three thousand, six hundred sixty-four".