36163661 has 2 divisors, whose sum is σ = 36163662. Its totient is φ = 36163660.

The previous prime is 36163657. The next prime is 36163663. The reversal of 36163661 is 16636163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21799561 + 14364100 = 4669^2 + 3790^2 .

It is a cyclic number.

It is not a de Polignac number, because 36163661 - 2² = 36163657 is a prime.

It is a super-3 number, since 3×36163661³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 36163663, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36163663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18081830 + 18081831.

It is an arithmetic number, because the mean of its divisors is an integer number (18081831).

Almost surely, 2^36163661 is an apocalyptic number.

It is an amenable number.

36163661 is a deficient number, since it is larger than the sum of its proper divisors (1).

36163661 is an equidigital number, since it uses as much as digits as its factorization.

36163661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The square root of 36163661 is about 6013.6229512666. The cubic root of 36163661 is about 330.6923358814.

The spelling of 36163661 in words is "thirty-six million, one hundred sixty-three thousand, six hundred sixty-one".