199774832572 has 48 divisors (see below), whose sum is σ = 409391603712. Its totient is φ = 83509787520.

The previous prime is 199774832567. The next prime is 199774832611. The reversal of 199774832572 is 275238477991.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5472693 + ... + 5509075.

It is an arithmetic number, because the mean of its divisors is an integer number (8528991744).

Almost surely, 2^199774832572 is an apocalyptic number.

It is an amenable number.

199774832572 is an abundant number, since it is smaller than the sum of its proper divisors (209616771140).

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

199774832572 is a wasteful number, since it uses less digits than its factorization.

199774832572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41218 (or 41216 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 64.

The spelling of 199774832572 in words is "one hundred ninety-nine billion, seven hundred seventy-four million, eight hundred thirty-two thousand, five hundred seventy-two".