536406366221 has 32 divisors (see below), whose sum is σ = 614517131520. Its totient is φ = 463744512000.

The previous prime is 536406366211. The next prime is 536406366227. The reversal of 536406366221 is 122663604635.

It is not a de Polignac number, because 536406366221 - 2⁶ = 536406366157 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 (536406366227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6175136 + ... + 6261398.

It is an arithmetic number, because the mean of its divisors is an integer number (19203660360).

Almost surely, 2^536406366221 is an apocalyptic number.

It is an amenable number.

536406366221 is a deficient number, since it is larger than the sum of its proper divisors (78110765299).

536406366221 is a wasteful number, since it uses less digits than its factorization.

536406366221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86597.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 536406366221 in words is "five hundred thirty-six billion, four hundred six million, three hundred sixty-six thousand, two hundred twenty-one".