1316927616 has 64 divisors (see below), whose sum is σ = 3610963200. Its totient is φ = 424811520.

The previous prime is 1316927611. The next prime is 1316927617. The reversal of 1316927616 is 6167296131.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1316927611) 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, 43411 + ... + 67218.

It is an arithmetic number, because the mean of its divisors is an integer number (56421300).

Almost surely, 2^1316927616 is an apocalyptic number.

1316927616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1316927616 is an abundant number, since it is smaller than the sum of its proper divisors (2294035584).

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

1316927616 is a wasteful number, since it uses less digits than its factorization.

1316927616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110677 (or 110665 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 1316927616 is about 36289.4973236059. The cubic root of 1316927616 is about 1096.1095668963.

The spelling of 1316927616 in words is "one billion, three hundred sixteen million, nine hundred twenty-seven thousand, six hundred sixteen".