199166097 has 8 divisors (see below), whose sum is σ = 285982144. Its totient is φ = 122563728.

The previous prime is 199166087. The next prime is 199166111. The reversal of 199166097 is 790661991.

199166097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199166097 - 2¹⁹ = 198641809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199166057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2553373 + ... + 2553450.

It is an arithmetic number, because the mean of its divisors is an integer number (35747768).

Almost surely, 2^199166097 is an apocalyptic number.

It is an amenable number.

199166097 is a deficient number, since it is larger than the sum of its proper divisors (86816047).

199166097 is a wasteful number, since it uses less digits than its factorization.

199166097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106839.

The product of its (nonzero) digits is 183708, while the sum is 48.

The square root of 199166097 is about 14112.6219038136. The cubic root of 199166097 is about 583.9896329945.

The spelling of 199166097 in words is "one hundred ninety-nine million, one hundred sixty-six thousand, ninety-seven".