5691581662 has 36 divisors (see below), whose sum is σ = 9394105896. Its totient is φ = 2584567440.

The previous prime is 5691581653. The next prime is 5691581663. The reversal of 5691581662 is 2661851965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5691581663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11686783 + ... + 11687269.

It is an arithmetic number, because the mean of its divisors is an integer number (260947386).

Almost surely, 2^5691581662 is an apocalyptic number.

5691581662 is a deficient number, since it is larger than the sum of its proper divisors (3702524234).

5691581662 is an equidigital number, since it uses as much as digits as its factorization.

5691581662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 573 counting only the distinct ones).

The product of its digits is 777600, while the sum is 49.

The square root of 5691581662 is about 75442.5719471440. The cubic root of 5691581662 is about 1785.4361502249.

The spelling of 5691581662 in words is "five billion, six hundred ninety-one million, five hundred eighty-one thousand, six hundred sixty-two".