316565225550 has 72 divisors (see below), whose sum is σ = 972005997456. Its totient is φ = 72357765120.

The previous prime is 316565225531. The next prime is 316565225591. The reversal of 316565225550 is 55522565613.

316565225550 is a `hidden beast` number, since 3 + 16 + 5 + 65 + 2 + 25 + 550 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 316565225496 and 316565225505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50245299 + ... + 50251598.

It is an arithmetic number, because the mean of its divisors is an integer number (13500083298).

Almost surely, 2^316565225550 is an apocalyptic number.

316565225550 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

316565225550 is an abundant number, since it is smaller than the sum of its proper divisors (655440771906).

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

316565225550 is a wasteful number, since it uses less digits than its factorization.

316565225550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100496922 (or 100496914 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 316565225550 in words is "three hundred sixteen billion, five hundred sixty-five million, two hundred twenty-five thousand, five hundred fifty".