32370616561 has 2 divisors, whose sum is σ = 32370616562. Its totient is φ = 32370616560.

The previous prime is 32370616549. The next prime is 32370616571. The reversal of 32370616561 is 16561607323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24193935936 + 8176680625 = 155544^2 + 90425^2 .

It is a cyclic number.

It is not a de Polignac number, because 32370616561 - 2²¹ = 32368519409 is a prime.

It is not a weakly prime, because it can be changed into another prime (32370616511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16185308280 + 16185308281.

It is an arithmetic number, because the mean of its divisors is an integer number (16185308281).

Almost surely, 2^32370616561 is an apocalyptic number.

It is an amenable number.

32370616561 is a deficient number, since it is larger than the sum of its proper divisors (1).

32370616561 is an equidigital number, since it uses as much as digits as its factorization.

32370616561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 32370616561 in words is "thirty-two billion, three hundred seventy million, six hundred sixteen thousand, five hundred sixty-one".