132167561 has 2 divisors, whose sum is σ = 132167562. Its totient is φ = 132167560.

The previous prime is 132167557. The next prime is 132167569. The reversal of 132167561 is 165761231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75255625 + 56911936 = 8675^2 + 7544^2 .

It is an emirp because it is prime and its reverse (165761231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 132167561 - 2² = 132167557 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132167569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66083780 + 66083781.

It is an arithmetic number, because the mean of its divisors is an integer number (66083781).

Almost surely, 2^132167561 is an apocalyptic number.

It is an amenable number.

132167561 is a deficient number, since it is larger than the sum of its proper divisors (1).

132167561 is an equidigital number, since it uses as much as digits as its factorization.

132167561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 32.

The square root of 132167561 is about 11496.4151369025. The cubic root of 132167561 is about 509.3796905285.

The spelling of 132167561 in words is "one hundred thirty-two million, one hundred sixty-seven thousand, five hundred sixty-one".