32164616161 has 2 divisors, whose sum is σ = 32164616162. Its totient is φ = 32164616160.

The previous prime is 32164616093. The next prime is 32164616167. The reversal of 32164616161 is 16161646123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32083616161 + 81000000 = 179119^2 + 9000^2 .

It is a cyclic number.

It is not a de Polignac number, because 32164616161 - 2¹⁵ = 32164583393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32164616161.

It is not a weakly prime, because it can be changed into another prime (32164616167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16082308080 + 16082308081.

It is an arithmetic number, because the mean of its divisors is an integer number (16082308081).

Almost surely, 2^32164616161 is an apocalyptic number.

It is an amenable number.

32164616161 is a deficient number, since it is larger than the sum of its proper divisors (1).

32164616161 is an equidigital number, since it uses as much as digits as its factorization.

32164616161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The spelling of 32164616161 in words is "thirty-two billion, one hundred sixty-four million, six hundred sixteen thousand, one hundred sixty-one".