199000065 has 16 divisors (see below), whose sum is σ = 347345856. Its totient is φ = 96484800.

The previous prime is 199000057. The next prime is 199000073. The reversal of 199000065 is 560000991.

It is an interprime number because it is at equal distance from previous prime (199000057) and next prime (199000073).

It is not a de Polignac number, because 199000065 - 2³ = 199000057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198999996 and 199000041.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602866 + ... + 603195.

It is an arithmetic number, because the mean of its divisors is an integer number (21709116).

It is a Proth number, since it is equal to 6073 ⋅ 2¹⁵ + 1 and 6073 < 2¹⁵.

Almost surely, 2^199000065 is an apocalyptic number.

199000065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

199000065 is a deficient number, since it is larger than the sum of its proper divisors (148345791).

199000065 is a wasteful number, since it uses less digits than its factorization.

199000065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206080.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 199000065 is about 14106.7382835296. The cubic root of 199000065 is about 583.8273096472.

The spelling of 199000065 in words is "one hundred ninety-nine million, sixty-five", and thus it is an aban number.