316521563666050 has 12 divisors (see below), whose sum is σ = 588730108418946. Its totient is φ = 126608625466400.

The previous prime is 316521563666047. The next prime is 316521563666053. The reversal of 316521563666050 is 50666365125613.

It is an interprime number because it is at equal distance from previous prime (316521563666047) and next prime (316521563666053).

It can be written as a sum of positive squares in 3 ways, for example, as 238681828347561 + 77839735318489 = 15449331^2 + 8822683^2 .

It is a junction number, because it is equal to n+sod(n) for n = 316521563665982 and 316521563666000.

It is not an unprimeable number, because it can be changed into a prime (316521563666053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3165215636611 + ... + 3165215636710.

Almost surely, 2^{316521563666050} is an apocalyptic number.

316521563666050 is a deficient number, since it is larger than the sum of its proper divisors (272208544752896).

316521563666050 is a wasteful number, since it uses less digits than its factorization.

316521563666050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330431273333 (or 6330431273328 counting only the distinct ones).

The product of its (nonzero) digits is 17496000, while the sum is 55.

The spelling of 316521563666050 in words is "three hundred sixteen trillion, five hundred twenty-one billion, five hundred sixty-three million, six hundred sixty-six thousand, fifty".