199165764 has 24 divisors (see below), whose sum is σ = 531108928. Its totient is φ = 56904480.

The previous prime is 199165753. The next prime is 199165789. The reversal of 199165764 is 467561991.

It is a happy number.

199165764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185427 + ... + 1185594.

Almost surely, 2^199165764 is an apocalyptic number.

199165764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

199165764 is an abundant number, since it is smaller than the sum of its proper divisors (331943164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199165764 is a wasteful number, since it uses less digits than its factorization.

199165764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371035 (or 2371033 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 199165764 is about 14112.6101058592. The cubic root of 199165764 is about 583.9893075230.

The spelling of 199165764 in words is "one hundred ninety-nine million, one hundred sixty-five thousand, seven hundred sixty-four".