7156886216 has 16 divisors (see below), whose sum is σ = 13488693900. Its totient is φ = 3559901184.

The previous prime is 7156886197. The next prime is 7156886227. The reversal of 7156886216 is 6126886517.

It can be written as a sum of positive squares in 2 ways, for example, as 6830361316 + 326524900 = 82646^2 + 18070^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2316101 + ... + 2319188.

Almost surely, 2^7156886216 is an apocalyptic number.

It is an amenable number.

7156886216 is a deficient number, since it is larger than the sum of its proper divisors (6331807684).

7156886216 is a wasteful number, since it uses less digits than its factorization.

7156886216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635488 (or 4635484 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 7156886216 is about 84598.3818757782. The cubic root of 7156886216 is about 1927.1168003277.

The spelling of 7156886216 in words is "seven billion, one hundred fifty-six million, eight hundred eighty-six thousand, two hundred sixteen".