316563197561 has 8 divisors (see below), whose sum is σ = 348842450880. Its totient is φ = 285416549712.

The previous prime is 316563197551. The next prime is 316563197569. The reversal of 316563197561 is 165791365613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316563197561 - 2³⁸ = 41685290617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (316563197569) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 283150781 + ... + 283151898.

It is an arithmetic number, because the mean of its divisors is an integer number (43605306360).

Almost surely, 2^316563197561 is an apocalyptic number.

It is an amenable number.

316563197561 is a deficient number, since it is larger than the sum of its proper divisors (32279253319).

316563197561 is a wasteful number, since it uses less digits than its factorization.

316563197561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566302735.

The product of its digits is 3061800, while the sum is 53.

The spelling of 316563197561 in words is "three hundred sixteen billion, five hundred sixty-three million, one hundred ninety-seven thousand, five hundred sixty-one".