199041151 has 4 divisors (see below), whose sum is σ = 210749472. Its totient is φ = 187332832.

The previous prime is 199041137. The next prime is 199041197. The reversal of 199041151 is 151140991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199041151 - 2⁵ = 199041119 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199041551) 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 3 ways as a sum of consecutive naturals, for example, 5854135 + ... + 5854168.

It is an arithmetic number, because the mean of its divisors is an integer number (52687368).

Almost surely, 2^199041151 is an apocalyptic number.

199041151 is a deficient number, since it is larger than the sum of its proper divisors (11708321).

199041151 is a wasteful number, since it uses less digits than its factorization.

199041151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11708320.

The product of its (nonzero) digits is 1620, while the sum is 31.

The square root of 199041151 is about 14108.1944627936. The cubic root of 199041151 is about 583.8674863145.

The spelling of 199041151 in words is "one hundred ninety-nine million, forty-one thousand, one hundred fifty-one".