1316222321516 has 48 divisors (see below), whose sum is σ = 2401082792640. Its totient is φ = 630555340800.

The previous prime is 1316222321507. The next prime is 1316222321543. The reversal of 1316222321516 is 6151232226131.

It is a super-3 number, since 3×1316222321516³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17074676 + ... + 17151588.

It is an arithmetic number, because the mean of its divisors is an integer number (50022558180).

Almost surely, 2^{1316222321516} is an apocalyptic number.

It is an amenable number.

1316222321516 is a deficient number, since it is larger than the sum of its proper divisors (1084860471124).

1316222321516 is a wasteful number, since it uses less digits than its factorization.

1316222321516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78074 (or 78072 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

Adding to 1316222321516 its reverse (6151232226131), we get a palindrome (7467454547647).

The spelling of 1316222321516 in words is "one trillion, three hundred sixteen billion, two hundred twenty-two million, three hundred twenty-one thousand, five hundred sixteen".