1026968856660 has 60 divisors (see below), whose sum is σ = 3221639344308. Its totient is φ = 273858361344.

The previous prime is 1026968856659. The next prime is 1026968856821. The reversal of 1026968856660 is 666588696201.

It can be written as a sum of positive squares in 2 ways, for example, as 555510846276 + 471458010384 = 745326^2 + 686628^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 316964077 + ... + 316967316.

Almost surely, 2^{1026968856660} is an apocalyptic number.

1026968856660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026968856660 is an abundant number, since it is smaller than the sum of its proper divisors (2194670487648).

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

1026968856660 is a wasteful number, since it uses less digits than its factorization.

1026968856660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633931414 (or 633931403 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 1026968856660 in words is "one trillion, twenty-six billion, nine hundred sixty-eight million, eight hundred fifty-six thousand, six hundred sixty".