1316305556536 has 8 divisors (see below), whose sum is σ = 2468072918520. Its totient is φ = 658152778264.

The previous prime is 1316305556509. The next prime is 1316305556549. The reversal of 1316305556536 is 6356555036131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1316305556536.

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, 82269097276 + ... + 82269097291.

It is an arithmetic number, because the mean of its divisors is an integer number (308509114815).

Almost surely, 2^{1316305556536} is an apocalyptic number.

It is an amenable number.

1316305556536 is a deficient number, since it is larger than the sum of its proper divisors (1151767361984).

1316305556536 is a wasteful number, since it uses less digits than its factorization.

1316305556536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164538194573 (or 164538194569 counting only the distinct ones).

The product of its (nonzero) digits is 3645000, while the sum is 49.

The spelling of 1316305556536 in words is "one trillion, three hundred sixteen billion, three hundred five million, five hundred fifty-six thousand, five hundred thirty-six".