199766083 has 4 divisors (see below), whose sum is σ = 217926648. Its totient is φ = 181605520.

The previous prime is 199766081. The next prime is 199766087. The reversal of 199766083 is 380667991.

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

It is a cyclic number.

It is not a de Polignac number, because 199766083 - 2¹ = 199766081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199766081) 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, 9080266 + ... + 9080287.

It is an arithmetic number, because the mean of its divisors is an integer number (54481662).

Almost surely, 2^199766083 is an apocalyptic number.

199766083 is a deficient number, since it is larger than the sum of its proper divisors (18160565).

199766083 is a wasteful number, since it uses less digits than its factorization.

199766083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18160564.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 199766083 is about 14133.8629892892. The cubic root of 199766083 is about 584.5754662135.

The spelling of 199766083 in words is "one hundred ninety-nine million, seven hundred sixty-six thousand, eighty-three".