32667161 has 2 divisors, whose sum is σ = 32667162. Its totient is φ = 32667160.

The previous prime is 32667157. The next prime is 32667163. The reversal of 32667161 is 16176623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31753225 + 913936 = 5635^2 + 956^2 .

It is an emirp because it is prime and its reverse (16176623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32667161 - 2² = 32667157 is a prime.

Together with 32667163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32667163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16333580 + 16333581.

It is an arithmetic number, because the mean of its divisors is an integer number (16333581).

Almost surely, 2^32667161 is an apocalyptic number.

It is an amenable number.

32667161 is a deficient number, since it is larger than the sum of its proper divisors (1).

32667161 is an equidigital number, since it uses as much as digits as its factorization.

32667161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 32667161 is about 5715.5193114887. The cubic root of 32667161 is about 319.6714107533.

The spelling of 32667161 in words is "thirty-two million, six hundred sixty-seven thousand, one hundred sixty-one".