7056616261 has 4 divisors (see below), whose sum is σ = 7056836812. Its totient is φ = 7056395712.

The previous prime is 7056616253. The next prime is 7056616267. The reversal of 7056616261 is 1626166507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1626166507 = 7 ⋅232309501.

It can be written as a sum of positive squares in 2 ways, for example, as 1055015361 + 6001600900 = 32481^2 + 77470^2 .

It is a cyclic number.

It is not a de Polignac number, because 7056616261 - 2³ = 7056616253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7056616267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52026 + ... + 129691.

It is an arithmetic number, because the mean of its divisors is an integer number (1764209203).

Almost surely, 2^7056616261 is an apocalyptic number.

It is an amenable number.

7056616261 is a deficient number, since it is larger than the sum of its proper divisors (220551).

7056616261 is a wasteful number, since it uses less digits than its factorization.

7056616261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220550.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 7056616261 is about 84003.6681401473. The cubic root of 7056616261 is about 1918.0746270495.

The spelling of 7056616261 in words is "seven billion, fifty-six million, six hundred sixteen thousand, two hundred sixty-one".