163476149 has 2 divisors, whose sum is σ = 163476150. Its totient is φ = 163476148.

The previous prime is 163476121. The next prime is 163476169. The reversal of 163476149 is 941674361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162052900 + 1423249 = 12730^2 + 1193^2 .

It is an emirp because it is prime and its reverse (941674361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163476149 - 2¹² = 163472053 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

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

It is a Curzon number.

It is equal to p_9158396 and since 163476149 and 9158396 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 (163476169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81738074 + 81738075.

It is an arithmetic number, because the mean of its divisors is an integer number (81738075).

Almost surely, 2^163476149 is an apocalyptic number.

It is an amenable number.

163476149 is a deficient number, since it is larger than the sum of its proper divisors (1).

163476149 is an equidigital number, since it uses as much as digits as its factorization.

163476149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 163476149 is about 12785.7791706255. The cubic root of 163476149 is about 546.7869399173.

The spelling of 163476149 in words is "one hundred sixty-three million, four hundred seventy-six thousand, one hundred forty-nine".