7956116261 has 8 divisors (see below), whose sum is σ = 7991175000. Its totient is φ = 7921105920.

The previous prime is 7956116257. The next prime is 7956116293. The reversal of 7956116261 is 1626116597.

It can be written as a sum of positive squares in 4 ways, for example, as 3642122500 + 4313993761 = 60350^2 + 65681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7956116261 - 2² = 7956116257 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 (7956116761) 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 7 ways as a sum of consecutive naturals, for example, 339635 + ... + 362303.

It is an arithmetic number, because the mean of its divisors is an integer number (998896875).

Almost surely, 2^7956116261 is an apocalyptic number.

It is an amenable number.

7956116261 is a deficient number, since it is larger than the sum of its proper divisors (35058739).

7956116261 is a wasteful number, since it uses less digits than its factorization.

7956116261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24199.

The product of its digits is 136080, while the sum is 44.

The square root of 7956116261 is about 89197.0641949610. The cubic root of 7956116261 is about 1996.3363145525.

The spelling of 7956116261 in words is "seven billion, nine hundred fifty-six million, one hundred sixteen thousand, two hundred sixty-one".