163169474 has 8 divisors (see below), whose sum is σ = 263581500. Its totient is φ = 75308976.

The previous prime is 163169443. The next prime is 163169483. The reversal of 163169474 is 474961361.

163169474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 162435025 + 734449 = 12745^2 + 857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3137849 + ... + 3137900.

Almost surely, 2^163169474 is an apocalyptic number.

163169474 is a deficient number, since it is larger than the sum of its proper divisors (100412026).

163169474 is a wasteful number, since it uses less digits than its factorization.

163169474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275764.

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

The square root of 163169474 is about 12773.7807245936. The cubic root of 163169474 is about 546.4448087610. Note that the first 3 decimals are identical.

The spelling of 163169474 in words is "one hundred sixty-three million, one hundred sixty-nine thousand, four hundred seventy-four".