199973152 has 12 divisors (see below), whose sum is σ = 393697206. Its totient is φ = 99986560.

The previous prime is 199973143. The next prime is 199973173. The reversal of 199973152 is 251379991.

199973152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 169104016 + 30869136 = 13004^2 + 5556^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3124549 + ... + 3124612.

Almost surely, 2^199973152 is an apocalyptic number.

It is an amenable number.

199973152 is a deficient number, since it is larger than the sum of its proper divisors (193724054).

199973152 is an equidigital number, since it uses as much as digits as its factorization.

199973152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6249171 (or 6249163 counting only the distinct ones).

The product of its digits is 153090, while the sum is 46.

The square root of 199973152 is about 14141.1863717299. The cubic root of 199973152 is about 584.7773784621. Note that the first 3 decimals are identical.

The spelling of 199973152 in words is "one hundred ninety-nine million, nine hundred seventy-three thousand, one hundred fifty-two".