5721464651266 has 32 divisors (see below), whose sum is σ = 10569156998400. Its totient is φ = 2262053774016.

The previous prime is 5721464651251. The next prime is 5721464651267. The reversal of 5721464651266 is 6621564641275.

It is not an unprimeable number, because it can be changed into a prime (5721464651267) 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 15 ways as a sum of consecutive naturals, for example, 9303966 + ... + 9899833.

It is an arithmetic number, because the mean of its divisors is an integer number (330286156200).

Almost surely, 2^{5721464651266} is an apocalyptic number.

5721464651266 is a deficient number, since it is larger than the sum of its proper divisors (4847692347134).

5721464651266 is a wasteful number, since it uses less digits than its factorization.

5721464651266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19205458.

The product of its digits is 14515200, while the sum is 55.

Subtracting 5721464651266 from its reverse (6621564641275), we obtain a palindrome (900099990009).

The spelling of 5721464651266 in words is "five trillion, seven hundred twenty-one billion, four hundred sixty-four million, six hundred fifty-one thousand, two hundred sixty-six".