5521164256533 has 8 divisors (see below), whose sum is σ = 7361703949600. Its totient is φ = 3680700367248.

The previous prime is 5521164256523. The next prime is 5521164256537. The reversal of 5521164256533 is 3356524611255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5521164256533 - 2¹² = 5521164252437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521164256537) 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 7 ways as a sum of consecutive naturals, for example, 18780778 + ... + 19072491.

It is an arithmetic number, because the mean of its divisors is an integer number (920212993700).

Almost surely, 2^{5521164256533} is an apocalyptic number.

It is an amenable number.

5521164256533 is a deficient number, since it is larger than the sum of its proper divisors (1840539693067).

5521164256533 is a wasteful number, since it uses less digits than its factorization.

5521164256533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37901891.

The product of its digits is 3240000, while the sum is 48.

Adding to 5521164256533 its reverse (3356524611255), we get a palindrome (8877688867788).

The spelling of 5521164256533 in words is "five trillion, five hundred twenty-one billion, one hundred sixty-four million, two hundred fifty-six thousand, five hundred thirty-three".