5691220966 has 16 divisors (see below), whose sum is σ = 8580096000. Its totient is φ = 2831205960.

The previous prime is 5691220961. The next prime is 5691220973. The reversal of 5691220966 is 6690221965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5691220961) 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, 904411 + ... + 910681.

It is an arithmetic number, because the mean of its divisors is an integer number (536256000).

Almost surely, 2^5691220966 is an apocalyptic number.

5691220966 is a deficient number, since it is larger than the sum of its proper divisors (2888875034).

5691220966 is a wasteful number, since it uses less digits than its factorization.

5691220966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8499.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 5691220966 is about 75440.1813757099. The cubic root of 5691220966 is about 1785.3984329247.

Subtracting 5691220966 from its reverse (6690221965), we obtain a palindrome (999000999).

The spelling of 5691220966 in words is "five billion, six hundred ninety-one million, two hundred twenty thousand, nine hundred sixty-six".