199065601 has 8 divisors (see below), whose sum is σ = 234842624. Its totient is φ = 165123360.

The previous prime is 199065593. The next prime is 199065613. The reversal of 199065601 is 106560991.

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

It is not a de Polignac number, because 199065601 - 2³ = 199065593 is a prime.

It is a super-2 number, since 2×199065601² = 79254227002982402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199065001) 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 7 ways as a sum of consecutive naturals, for example, 458460 + ... + 458893.

It is an arithmetic number, because the mean of its divisors is an integer number (29355328).

It is a Proth number, since it is equal to 6075 ⋅ 2¹⁵ + 1 and 6075 < 2¹⁵.

Almost surely, 2^199065601 is an apocalyptic number.

It is an amenable number.

199065601 is a deficient number, since it is larger than the sum of its proper divisors (35777023).

199065601 is an equidigital number, since it uses as much as digits as its factorization.

199065601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917391.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 199065601 is about 14109.0609538693. The cubic root of 199065601 is about 583.8913925528.

The spelling of 199065601 in words is "one hundred ninety-nine million, sixty-five thousand, six hundred one".