7216332116571 has 8 divisors (see below), whose sum is σ = 10690862394960. Its totient is φ = 4810888077696.

The previous prime is 7216332116569. The next prime is 7216332116573. The reversal of 7216332116571 is 1756112336127.

7216332116571 is a `hidden beast` number, since 7 + 2 + 1 + 63 + 3 + 2 + 1 + 16 + 571 = 666.

It is an interprime number because it is at equal distance from previous prime (7216332116569) and next prime (7216332116573).

It is not a de Polignac number, because 7216332116571 - 2¹ = 7216332116569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7216332116573) 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, 133635779910 + ... + 133635779963.

It is an arithmetic number, because the mean of its divisors is an integer number (1336357799370).

Almost surely, 2^{7216332116571} is an apocalyptic number.

7216332116571 is a deficient number, since it is larger than the sum of its proper divisors (3474530278389).

7216332116571 is a wasteful number, since it uses less digits than its factorization.

7216332116571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267271559882 (or 267271559876 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The spelling of 7216332116571 in words is "seven trillion, two hundred sixteen billion, three hundred thirty-two million, one hundred sixteen thousand, five hundred seventy-one".