1064703665728 has 14 divisors (see below), whose sum is σ = 2112771336806. Its totient is φ = 532351832832.

The previous prime is 1064703665719. The next prime is 1064703665789. The reversal of 1064703665728 is 8275663074601.

It can be written as a sum of positive squares in only one way, i.e., 942980829184 + 121722836544 = 971072^2 + 348888^2 .

It is a super-2 number, since 2×1064703665728² (a number of 25 digits) contains 22 as substring.

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, 8317997325 + ... + 8317997452.

Almost surely, 2^{1064703665728} is an apocalyptic number.

It is an amenable number.

1064703665728 is a deficient number, since it is larger than the sum of its proper divisors (1048067671078).

1064703665728 is an equidigital number, since it uses as much as digits as its factorization.

1064703665728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16635994789 (or 16635994779 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 1064703665728 in words is "one trillion, sixty-four billion, seven hundred three million, six hundred sixty-five thousand, seven hundred twenty-eight".