163269473 has 4 divisors (see below), whose sum is σ = 163372308. Its totient is φ = 163166640.

The previous prime is 163269389. The next prime is 163269497. The reversal of 163269473 is 374962361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374962361 = 79 ⋅4746359.

It can be written as a sum of positive squares in 2 ways, for example, as 40347904 + 122921569 = 6352^2 + 11087^2 .

It is a cyclic number.

It is not a de Polignac number, because 163269473 - 2²⁶ = 96160609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163269473.

It is not an unprimeable number, because it can be changed into a prime (163269373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48998 + ... + 52223.

It is an arithmetic number, because the mean of its divisors is an integer number (40843077).

Almost surely, 2^163269473 is an apocalyptic number.

It is an amenable number.

163269473 is a deficient number, since it is larger than the sum of its proper divisors (102835).

163269473 is a wasteful number, since it uses less digits than its factorization.

163269473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102834.

The product of its digits is 163296, while the sum is 41.

The square root of 163269473 is about 12777.6943538339. The cubic root of 163269473 is about 546.5564161877.

The spelling of 163269473 in words is "one hundred sixty-three million, two hundred sixty-nine thousand, four hundred seventy-three".