199957190546884 has 9 divisors (see below), whose sum is σ = 349925132949231. Its totient is φ = 99978581132820.

The previous prime is 199957190546879. The next prime is 199957190546917. The reversal of 199957190546884 is 488645091759991.

The square root of 199957190546884 is 14140622.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 24746089 + ... + 31816399.

Almost surely, 2^{199957190546884} is an apocalyptic number.

199957190546884 is the 14140622-nd square number.

It is an amenable number.

199957190546884 is a deficient number, since it is larger than the sum of its proper divisors (149967942402347).

199957190546884 is an frugal number, since it uses more digits than its factorization.

199957190546884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14140626 (or 7070313 counting only the distinct ones).

The product of its (nonzero) digits is 7054387200, while the sum is 85.

The spelling of 199957190546884 in words is "one hundred ninety-nine trillion, nine hundred fifty-seven billion, one hundred ninety million, five hundred forty-six thousand, eight hundred eighty-four".