163671314 has 16 divisors (see below), whose sum is σ = 250591320. Its totient is φ = 80146560.

The previous prime is 163671311. The next prime is 163671317. The reversal of 163671314 is 413176361.

It is an interprime number because it is at equal distance from previous prime (163671311) and next prime (163671317).

It can be written as a sum of positive squares in 4 ways, for example, as 149646289 + 14025025 = 12233^2 + 3745^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163671311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79652 + ... + 81680.

Almost surely, 2^163671314 is an apocalyptic number.

163671314 is a deficient number, since it is larger than the sum of its proper divisors (86920006).

163671314 is a wasteful number, since it uses less digits than its factorization.

163671314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845.

The product of its digits is 9072, while the sum is 32.

The square root of 163671314 is about 12793.4090062032. The cubic root of 163671314 is about 547.0044461314.

The spelling of 163671314 in words is "one hundred sixty-three million, six hundred seventy-one thousand, three hundred fourteen".