21580414606533 has 16 divisors (see below), whose sum is σ = 28970344218816. Its totient is φ = 14289047579520.

The previous prime is 21580414606511. The next prime is 21580414606567. The reversal of 21580414606533 is 33560641408512.

It is not a de Polignac number, because 21580414606533 - 2⁸ = 21580414606277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21580414676533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41434266 + ... + 41951867.

It is an arithmetic number, because the mean of its divisors is an integer number (1810646513676).

Almost surely, 2^{21580414606533} is an apocalyptic number.

It is an amenable number.

21580414606533 is a deficient number, since it is larger than the sum of its proper divisors (7389929612283).

21580414606533 is a wasteful number, since it uses less digits than its factorization.

21580414606533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83386724.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 21580414606533 in words is "twenty-one trillion, five hundred eighty billion, four hundred fourteen million, six hundred six thousand, five hundred thirty-three".