1008453803668 has 12 divisors (see below), whose sum is σ = 1825649127540. Its totient is φ = 486839767232.

The previous prime is 1008453803657. The next prime is 1008453803671. The reversal of 1008453803668 is 8663083548001.

It can be written as a sum of positive squares in 2 ways, for example, as 577451049604 + 431002754064 = 759902^2 + 656508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4346783521 + ... + 4346783752.

It is an arithmetic number, because the mean of its divisors is an integer number (152137427295).

Almost surely, 2^{1008453803668} is an apocalyptic number.

It is an amenable number.

1008453803668 is a deficient number, since it is larger than the sum of its proper divisors (817195323872).

1008453803668 is a wasteful number, since it uses less digits than its factorization.

1008453803668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693567306 (or 8693567304 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 1008453803668 in words is "one trillion, eight billion, four hundred fifty-three million, eight hundred three thousand, six hundred sixty-eight".