199731828832 has 24 divisors (see below), whose sum is σ = 403849663056. Its totient is φ = 97166835072.

The previous prime is 199731828799. The next prime is 199731828839. The reversal of 199731828832 is 238828137991.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199731828839) 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, 84345028 + ... + 84347395.

It is an arithmetic number, because the mean of its divisors is an integer number (16827069294).

Almost surely, 2^199731828832 is an apocalyptic number.

It is an amenable number.

199731828832 is an abundant number, since it is smaller than the sum of its proper divisors (204117834224).

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

199731828832 is a wasteful number, since it uses less digits than its factorization.

199731828832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168692470 (or 168692462 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 61.

The spelling of 199731828832 in words is "one hundred ninety-nine billion, seven hundred thirty-one million, eight hundred twenty-eight thousand, eight hundred thirty-two".