199152068 has 24 divisors (see below), whose sum is σ = 356149080. Its totient is φ = 97413120.

The previous prime is 199152043. The next prime is 199152133. The reversal of 199152068 is 860251991.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19377604 + 179774464 = 4402^2 + 13408^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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, 44978 + ... + 49206.

It is an arithmetic number, because the mean of its divisors is an integer number (14839545).

Almost surely, 2^199152068 is an apocalyptic number.

It is an amenable number.

199152068 is a deficient number, since it is larger than the sum of its proper divisors (156997012).

199152068 is a wasteful number, since it uses less digits than its factorization.

199152068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487 (or 4485 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 199152068 is about 14112.1248577243. The cubic root of 199152068 is about 583.9759208499.

The spelling of 199152068 in words is "one hundred ninety-nine million, one hundred fifty-two thousand, sixty-eight".