199470195 has 24 divisors (see below), whose sum is σ = 358556016. Its totient is φ = 106383456.

The previous prime is 199470179. The next prime is 199470233. The reversal of 199470195 is 591074991.

199470195 is a `hidden beast` number, since 1 + 99 + 470 + 1 + 95 = 666.

It is not a de Polignac number, because 199470195 - 2⁴ = 199470179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 199470195.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 80872 + ... + 83301.

It is an arithmetic number, because the mean of its divisors is an integer number (14939834).

Almost surely, 2^199470195 is an apocalyptic number.

199470195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199470195 is a deficient number, since it is larger than the sum of its proper divisors (159085821).

199470195 is an equidigital number, since it uses as much as digits as its factorization.

199470195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164193 (or 164181 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 199470195 is about 14123.3917668526. The cubic root of 199470195 is about 584.2867045909.

The spelling of 199470195 in words is "one hundred ninety-nine million, four hundred seventy thousand, one hundred ninety-five".