199049318 has 16 divisors (see below), whose sum is σ = 324550800. Its totient is φ = 91009056.

The previous prime is 199049309. The next prime is 199049341. The reversal of 199049318 is 813940991.

199049318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 32993 + ... + 38556.

It is an arithmetic number, because the mean of its divisors is an integer number (20284425).

Almost surely, 2^199049318 is an apocalyptic number.

199049318 is a deficient number, since it is larger than the sum of its proper divisors (125501482).

199049318 is a wasteful number, since it uses less digits than its factorization.

199049318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71671.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 199049318 is about 14108.4839015395. The cubic root of 199049318 is about 583.8754719002.

The spelling of 199049318 in words is "one hundred ninety-nine million, forty-nine thousand, three hundred eighteen".