163455479 has 8 divisors (see below), whose sum is σ = 182664720. Its totient is φ = 144971200.

The previous prime is 163455463. The next prime is 163455497. The reversal of 163455479 is 974554361.

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

It is not a de Polignac number, because 163455479 - 2⁴ = 163455463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163455449) 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 in 7 ways as a sum of consecutive naturals, for example, 180764 + ... + 181665.

It is an arithmetic number, because the mean of its divisors is an integer number (22833090).

Almost surely, 2^163455479 is an apocalyptic number.

163455479 is a deficient number, since it is larger than the sum of its proper divisors (19209241).

163455479 is a wasteful number, since it uses less digits than its factorization.

163455479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362481.

The product of its digits is 453600, while the sum is 44.

The square root of 163455479 is about 12784.9708251525. The cubic root of 163455479 is about 546.7638936146.

The spelling of 163455479 in words is "one hundred sixty-three million, four hundred fifty-five thousand, four hundred seventy-nine".