1313606650556 has 6 divisors (see below), whose sum is σ = 2298811638480. Its totient is φ = 656803325276.

The previous prime is 1313606650493. The next prime is 1313606650589. The reversal of 1313606650556 is 6550566063131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313606650556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164200831316 + ... + 164200831323.

It is an arithmetic number, because the mean of its divisors is an integer number (383135273080).

Almost surely, 2^{1313606650556} is an apocalyptic number.

It is an amenable number.

1313606650556 is a deficient number, since it is larger than the sum of its proper divisors (985204987924).

1313606650556 is a wasteful number, since it uses less digits than its factorization.

1313606650556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328401662643 (or 328401662641 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 47.

The spelling of 1313606650556 in words is "one trillion, three hundred thirteen billion, six hundred six million, six hundred fifty thousand, five hundred fifty-six".