1316555497116 has 192 divisors, whose sum is σ = 3457587893760. Its totient is φ = 433209047040.

The previous prime is 1316555497087. The next prime is 1316555497123. The reversal of 1316555497116 is 6117945556131.

1316555497116 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 5 + 554 + 9 + 71 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2305701111 + ... + 2305701681.

It is an arithmetic number, because the mean of its divisors is an integer number (18008270280).

Almost surely, 2^{1316555497116} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316555497116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728793946880).

1316555497116 is an abundant number, since it is smaller than the sum of its proper divisors (2141032396644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1316555497116 is a wasteful number, since it uses less digits than its factorization.

1316555497116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1433 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 54.

The spelling of 1316555497116 in words is "one trillion, three hundred sixteen billion, five hundred fifty-five million, four hundred ninety-seven thousand, one hundred sixteen".