365676161 has 2 divisors, whose sum is σ = 365676162. Its totient is φ = 365676160.

The previous prime is 365676139. The next prime is 365676163. The reversal of 365676161 is 161676563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365574400 + 101761 = 19120^2 + 319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-365676161 is a prime.

Together with 365676163, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (365676163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182838080 + 182838081.

It is an arithmetic number, because the mean of its divisors is an integer number (182838081).

Almost surely, 2^365676161 is an apocalyptic number.

It is an amenable number.

365676161 is a deficient number, since it is larger than the sum of its proper divisors (1).

365676161 is an equidigital number, since it uses as much as digits as its factorization.

365676161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 41.

The square root of 365676161 is about 19122.6609288561. The cubic root of 365676161 is about 715.0979773472.

The spelling of 365676161 in words is "three hundred sixty-five million, six hundred seventy-six thousand, one hundred sixty-one".