32066420521 has 2 divisors, whose sum is σ = 32066420522. Its totient is φ = 32066420520.

The previous prime is 32066420501. The next prime is 32066420537. The reversal of 32066420521 is 12502466023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31956925225 + 109495296 = 178765^2 + 10464^2 .

It is a cyclic number.

It is not a de Polignac number, because 32066420521 - 2²³ = 32058031913 is a prime.

It is a super-2 number, since 2×32066420521² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32066420501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16033210260 + 16033210261.

It is an arithmetic number, because the mean of its divisors is an integer number (16033210261).

Almost surely, 2^32066420521 is an apocalyptic number.

It is an amenable number.

32066420521 is a deficient number, since it is larger than the sum of its proper divisors (1).

32066420521 is an equidigital number, since it uses as much as digits as its factorization.

32066420521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 32066420521 its reverse (12502466023), we get a palindrome (44568886544).

The spelling of 32066420521 in words is "thirty-two billion, sixty-six million, four hundred twenty thousand, five hundred twenty-one".