199974168575 has 12 divisors (see below), whose sum is σ = 247991554608. Its totient is φ = 159964118400.

The previous prime is 199974168551. The next prime is 199974168577. The reversal of 199974168575 is 575861479991.

It is not a de Polignac number, because 199974168575 - 2⁸ = 199974168319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199974168499 and 199974168508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199974168577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108506 + ... + 641655.

It is an arithmetic number, because the mean of its divisors is an integer number (20665962884).

Almost surely, 2^199974168575 is an apocalyptic number.

199974168575 is a deficient number, since it is larger than the sum of its proper divisors (48017386033).

199974168575 is a wasteful number, since it uses less digits than its factorization.

199974168575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760834 (or 760829 counting only the distinct ones).

The product of its digits is 171460800, while the sum is 71.

The spelling of 199974168575 in words is "one hundred ninety-nine billion, nine hundred seventy-four million, one hundred sixty-eight thousand, five hundred seventy-five".