199446200836 has 27 divisors (see below), whose sum is σ = 356690120647. Its totient is φ = 97580789000.

The previous prime is 199446200761. The next prime is 199446200869. The reversal of 199446200836 is 638002644991.

The square root of 199446200836 is 446594.

It is a perfect power (a square), and thus also a powerful number.

199446200836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 41977461 + ... + 41982211.

Almost surely, 2^199446200836 is an apocalyptic number.

199446200836 is the 446594-th square number.

It is an amenable number.

199446200836 is a deficient number, since it is larger than the sum of its proper divisors (157243919811).

199446200836 is an frugal number, since it uses more digits than its factorization.

199446200836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9600 (or 4800 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 199446200836 in words is "one hundred ninety-nine billion, four hundred forty-six million, two hundred thousand, eight hundred thirty-six".