199205461 has 16 divisors (see below), whose sum is σ = 255838464. Its totient is φ = 150758784.

The previous prime is 199205459. The next prime is 199205483. The reversal of 199205461 is 164502991.

It is a cyclic number.

It is not a de Polignac number, because 199205461 - 2¹ = 199205459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199205461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199205441) by changing a digit.

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, 45496 + ... + 49681.

It is an arithmetic number, because the mean of its divisors is an integer number (15989904).

Almost surely, 2^199205461 is an apocalyptic number.

It is an amenable number.

199205461 is a deficient number, since it is larger than the sum of its proper divisors (56633003).

199205461 is a wasteful number, since it uses less digits than its factorization.

199205461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95220.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 199205461 is about 14114.0164729959. The cubic root of 199205461 is about 584.0281044913.

The spelling of 199205461 in words is "one hundred ninety-nine million, two hundred five thousand, four hundred sixty-one".