163677341 has 2 divisors, whose sum is σ = 163677342. Its totient is φ = 163677340.

The previous prime is 163677337. The next prime is 163677379. The reversal of 163677341 is 143776361.

It is an a-pointer prime, because the next prime (163677379) can be obtained adding 163677341 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117722500 + 45954841 = 10850^2 + 6779^2 .

It is a cyclic number.

It is not a de Polignac number, because 163677341 - 2² = 163677337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 163677295 and 163677304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163677331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81838670 + 81838671.

It is an arithmetic number, because the mean of its divisors is an integer number (81838671).

Almost surely, 2^163677341 is an apocalyptic number.

It is an amenable number.

163677341 is a deficient number, since it is larger than the sum of its proper divisors (1).

163677341 is an equidigital number, since it uses as much as digits as its factorization.

163677341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 163677341 is about 12793.6445550125. The cubic root of 163677341 is about 547.0111603100.

The spelling of 163677341 in words is "one hundred sixty-three million, six hundred seventy-seven thousand, three hundred forty-one".