1315616368822 has 32 divisors (see below), whose sum is σ = 2391880166208. Its totient is φ = 529808649216.

The previous prime is 1315616368811. The next prime is 1315616368823. The reversal of 1315616368822 is 2288636165131.

It is a self number, because there is not a number n which added to its sum of digits gives 1315616368822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315616368823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4332733 + ... + 4626424.

It is an arithmetic number, because the mean of its divisors is an integer number (74746255194).

Almost surely, 2^{1315616368822} is an apocalyptic number.

1315616368822 is a deficient number, since it is larger than the sum of its proper divisors (1076263797386).

1315616368822 is a wasteful number, since it uses less digits than its factorization.

1315616368822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959800.

The product of its digits is 2488320, while the sum is 52.

The spelling of 1315616368822 in words is "one trillion, three hundred fifteen billion, six hundred sixteen million, three hundred sixty-eight thousand, eight hundred twenty-two".