7130882161 has 6 divisors (see below), whose sum is σ = 7721606310. Its totient is φ = 6582352608.

The previous prime is 7130882147. The next prime is 7130882173. The reversal of 7130882161 is 1612880317.

It can be written as a sum of positive squares in 3 ways, for example, as 93025 + 7130789136 = 305^2 + 84444^2 .

It is not a de Polignac number, because 7130882161 - 2¹⁹ = 7130357873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7130882161.

It is not an unprimeable number, because it can be changed into a prime (7130882861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21097116 + ... + 21097453.

It is an arithmetic number, because the mean of its divisors is an integer number (1286934385).

Almost surely, 2^7130882161 is an apocalyptic number.

It is an amenable number.

7130882161 is a deficient number, since it is larger than the sum of its proper divisors (590724149).

7130882161 is a wasteful number, since it uses less digits than its factorization.

7130882161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42194595 (or 42194582 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 7130882161 is about 84444.5508070237. The cubic root of 7130882161 is about 1924.7799522239.

The spelling of 7130882161 in words is "seven billion, one hundred thirty million, eight hundred eighty-two thousand, one hundred sixty-one".