161176349 has 2 divisors, whose sum is σ = 161176350. Its totient is φ = 161176348.

The previous prime is 161176333. The next prime is 161176361. The reversal of 161176349 is 943671161.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95452900 + 65723449 = 9770^2 + 8107^2 .

It is a cyclic number.

It is not a de Polignac number, because 161176349 - 2⁴ = 161176333 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_9036866 and since 161176349 and 9036866 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161176369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80588174 + 80588175.

It is an arithmetic number, because the mean of its divisors is an integer number (80588175).

Almost surely, 2^161176349 is an apocalyptic number.

It is an amenable number.

161176349 is a deficient number, since it is larger than the sum of its proper divisors (1).

161176349 is an equidigital number, since it uses as much as digits as its factorization.

161176349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 161176349 is about 12695.5247626870. The cubic root of 161176349 is about 544.2107353330.

The spelling of 161176349 in words is "one hundred sixty-one million, one hundred seventy-six thousand, three hundred forty-nine".