11652161 has 2 divisors, whose sum is σ = 11652162. Its totient is φ = 11652160.

The previous prime is 11652143. The next prime is 11652163. The reversal of 11652161 is 16125611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10601536 + 1050625 = 3256^2 + 1025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11652161 is a prime.

Together with 11652163, 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 (11652163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5826080 + 5826081.

It is an arithmetic number, because the mean of its divisors is an integer number (5826081).

Almost surely, 2^11652161 is an apocalyptic number.

It is an amenable number.

11652161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11652161 is an equidigital number, since it uses as much as digits as its factorization.

11652161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 23.

The square root of 11652161 is about 3413.5261827032. The cubic root of 11652161 is about 226.7090335550.

Adding to 11652161 its reverse (16125611), we get a palindrome (27777772).

The spelling of 11652161 in words is "eleven million, six hundred fifty-two thousand, one hundred sixty-one".