6916131956 has 6 divisors (see below), whose sum is σ = 12103230930. Its totient is φ = 3458065976.

The previous prime is 6916131941. The next prime is 6916131973. The reversal of 6916131956 is 6591316196.

It can be written as a sum of positive squares in only one way, i.e., 6817804900 + 98327056 = 82570^2 + 9916^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6916131956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 864516491 + ... + 864516498.

It is an arithmetic number, because the mean of its divisors is an integer number (2017205155).

Almost surely, 2^6916131956 is an apocalyptic number.

It is an amenable number.

6916131956 is a deficient number, since it is larger than the sum of its proper divisors (5187098974).

6916131956 is a wasteful number, since it uses less digits than its factorization.

6916131956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729032993 (or 1729032991 counting only the distinct ones).

The product of its digits is 262440, while the sum is 47.

The square root of 6916131956 is about 83163.2849038565. The cubic root of 6916131956 is about 1905.2607626363.

The spelling of 6916131956 in words is "six billion, nine hundred sixteen million, one hundred thirty-one thousand, nine hundred fifty-six".