5971081956 has 24 divisors (see below), whose sum is σ = 15922885440. Its totient is φ = 1706023392.

The previous prime is 5971081951. The next prime is 5971081967. The reversal of 5971081956 is 6591801795.

It is a junction number, because it is equal to n+sod(n) for n = 5971081899 and 5971081908.

It is not an unprimeable number, because it can be changed into a prime (5971081951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35542071 + ... + 35542238.

It is an arithmetic number, because the mean of its divisors is an integer number (663453560).

Almost surely, 2^5971081956 is an apocalyptic number.

It is an amenable number.

5971081956 is an abundant number, since it is smaller than the sum of its proper divisors (9951803484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5971081956 is a wasteful number, since it uses less digits than its factorization.

5971081956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71084323 (or 71084321 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 51.

The square root of 5971081956 is about 77272.7762928187. The cubic root of 5971081956 is about 1814.1965805680.

The spelling of 5971081956 in words is "five billion, nine hundred seventy-one million, eighty-one thousand, nine hundred fifty-six".