1316220450604 has 24 divisors (see below), whose sum is σ = 2366998703888. Its totient is φ = 639955546560.

The previous prime is 1316220450569. The next prime is 1316220450607. The reversal of 1316220450604 is 4060540226131.

It is a self number, because there is not a number n which added to its sum of digits gives 1316220450604.

It is not an unprimeable number, because it can be changed into a prime (1316220450607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2296434 + ... + 2811769.

Almost surely, 2^{1316220450604} is an apocalyptic number.

It is an amenable number.

1316220450604 is a deficient number, since it is larger than the sum of its proper divisors (1050778253284).

1316220450604 is a wasteful number, since it uses less digits than its factorization.

1316220450604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109985 (or 5109983 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 1316220450604 its reverse (4060540226131), we get a palindrome (5376760676735).

The spelling of 1316220450604 in words is "one trillion, three hundred sixteen billion, two hundred twenty million, four hundred fifty thousand, six hundred four".