199386051 has 4 divisors (see below), whose sum is σ = 265848072. Its totient is φ = 132924032.

The previous prime is 199386043. The next prime is 199386059. The reversal of 199386051 is 150683991.

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

It is an interprime number because it is at equal distance from previous prime (199386043) and next prime (199386059).

It is a cyclic number.

It is not a de Polignac number, because 199386051 - 2³ = 199386043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199385994 and 199386012.

It is not an unprimeable number, because it can be changed into a prime (199386059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33231006 + ... + 33231011.

It is an arithmetic number, because the mean of its divisors is an integer number (66462018).

Almost surely, 2^199386051 is an apocalyptic number.

199386051 is a deficient number, since it is larger than the sum of its proper divisors (66462021).

199386051 is an equidigital number, since it uses as much as digits as its factorization.

199386051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66462020.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 199386051 is about 14120.4125647943. The cubic root of 199386051 is about 584.2045350297.

The spelling of 199386051 in words is "one hundred ninety-nine million, three hundred eighty-six thousand, fifty-one".