163506054475 has 12 divisors (see below), whose sum is σ = 202754297200. Its totient is φ = 130800463200.

The previous prime is 163506054391. The next prime is 163506054533. The reversal of 163506054475 is 574450605361.

It is not a de Polignac number, because 163506054475 - 2¹⁹ = 163505530187 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 800101 + ... + 983449.

Almost surely, 2^163506054475 is an apocalyptic number.

163506054475 is a deficient number, since it is larger than the sum of its proper divisors (39248242725).

163506054475 is a wasteful number, since it uses less digits than its factorization.

163506054475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219030 (or 219025 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 163506054475 in words is "one hundred sixty-three billion, five hundred six million, fifty-four thousand, four hundred seventy-five".