32564146352161 has 4 divisors (see below), whose sum is σ = 32568099759252. Its totient is φ = 32560192945072.

The previous prime is 32564146352141. The next prime is 32564146352167. The reversal of 32564146352161 is 16125364146523.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25883989192161 + 6680157160000 = 5087631^2 + 2584600^2 .

It is a cyclic number.

It is not a de Polignac number, because 32564146352161 - 2⁷ = 32564146352033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32564146352167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976691190 + ... + 1976707663.

It is an arithmetic number, because the mean of its divisors is an integer number (8142024939813).

Almost surely, 2^{32564146352161} is an apocalyptic number.

It is an amenable number.

32564146352161 is a deficient number, since it is larger than the sum of its proper divisors (3953407091).

32564146352161 is an equidigital number, since it uses as much as digits as its factorization.

32564146352161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953407090.

The product of its digits is 3110400, while the sum is 49.

The spelling of 32564146352161 in words is "thirty-two trillion, five hundred sixty-four billion, one hundred forty-six million, three hundred fifty-two thousand, one hundred sixty-one".