32894520161 has 2 divisors, whose sum is σ = 32894520162. Its totient is φ = 32894520160.

The previous prime is 32894520137. The next prime is 32894520181. The reversal of 32894520161 is 16102549823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24736998400 + 8157521761 = 157280^2 + 90319^2 .

It is a cyclic number.

It is not a de Polignac number, because 32894520161 - 2⁶ = 32894520097 is a prime.

It is not a weakly prime, because it can be changed into another prime (32894520181) 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, 16447260080 + 16447260081.

It is an arithmetic number, because the mean of its divisors is an integer number (16447260081).

Almost surely, 2^32894520161 is an apocalyptic number.

It is an amenable number.

32894520161 is a deficient number, since it is larger than the sum of its proper divisors (1).

32894520161 is an equidigital number, since it uses as much as digits as its factorization.

32894520161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 32894520161 in words is "thirty-two billion, eight hundred ninety-four million, five hundred twenty thousand, one hundred sixty-one".