163975699831854 has 16 divisors (see below), whose sum is σ = 327952733899392. Its totient is φ = 54658344238008.

The previous prime is 163975699831829. The next prime is 163975699831871. The reversal of 163975699831854 is 458138996579361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53991924 + ... + 56948039.

It is an arithmetic number, because the mean of its divisors is an integer number (20497045868712).

Almost surely, 2^{163975699831854} is an apocalyptic number.

163975699831854 is an abundant number, since it is smaller than the sum of its proper divisors (163977034067538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163975699831854 is a wasteful number, since it uses less digits than its factorization.

163975699831854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111186311.

The product of its digits is 10581580800, while the sum is 84.

The spelling of 163975699831854 in words is "one hundred sixty-three trillion, nine hundred seventy-five billion, six hundred ninety-nine million, eight hundred thirty-one thousand, eight hundred fifty-four".