1316221014605 has 64 divisors (see below), whose sum is σ = 1997715944448. Its totient is φ = 811170201600.

The previous prime is 1316221014599. The next prime is 1316221014607. The reversal of 1316221014605 is 5064101226131.

It is not a de Polignac number, because 1316221014605 - 2¹⁰ = 1316221013581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316221014607) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8144669 + ... + 8304701.

It is an arithmetic number, because the mean of its divisors is an integer number (31214311632).

Almost surely, 2^{1316221014605} is an apocalyptic number.

It is an amenable number.

1316221014605 is a deficient number, since it is larger than the sum of its proper divisors (681494929843).

1316221014605 is a wasteful number, since it uses less digits than its factorization.

1316221014605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160686.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 1316221014605 in words is "one trillion, three hundred sixteen billion, two hundred twenty-one million, fourteen thousand, six hundred five".