199446560 has 96 divisors (see below), whose sum is σ = 493516800. Its totient is φ = 76078080.

The previous prime is 199446551. The next prime is 199446563. The reversal of 199446560 is 65644991.

It is not an unprimeable number, because it can be changed into a prime (199446563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391586 + ... + 392094.

It is an arithmetic number, because the mean of its divisors is an integer number (5140800).

Almost surely, 2^199446560 is an apocalyptic number.

199446560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199446560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246758400).

199446560 is an abundant number, since it is smaller than the sum of its proper divisors (294070240).

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

199446560 is a wasteful number, since it uses less digits than its factorization.

199446560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 199446560 is about 14122.5550096291. Note that the first 3 decimals coincide. The cubic root of 199446560 is about 584.2636265203.

The spelling of 199446560 in words is "one hundred ninety-nine million, four hundred forty-six thousand, five hundred sixty".