367643161 has 2 divisors, whose sum is σ = 367643162. Its totient is φ = 367643160.

The previous prime is 367643149. The next prime is 367643189. The reversal of 367643161 is 161346763.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317516761 + 50126400 = 17819^2 + 7080^2 .

It is an emirp because it is prime and its reverse (161346763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 367643161 - 2¹⁵ = 367610393 is a prime.

It is a super-2 number, since 2×367643161² = 270322987660143842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 367643161.

It is not a weakly prime, because it can be changed into another prime (367643461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183821580 + 183821581.

It is an arithmetic number, because the mean of its divisors is an integer number (183821581).

Almost surely, 2^367643161 is an apocalyptic number.

It is an amenable number.

367643161 is a deficient number, since it is larger than the sum of its proper divisors (1).

367643161 is an equidigital number, since it uses as much as digits as its factorization.

367643161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 367643161 is about 19174.0230781127. The cubic root of 367643161 is about 716.3778740752.

The spelling of 367643161 in words is "three hundred sixty-seven million, six hundred forty-three thousand, one hundred sixty-one".