199368156 has 96 divisors (see below), whose sum is σ = 523837440. Its totient is φ = 58593024.

The previous prime is 199368149. The next prime is 199368157. The reversal of 199368156 is 651863991.

199368156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199368157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 574375 + ... + 574721.

It is an arithmetic number, because the mean of its divisors is an integer number (5456640).

Almost surely, 2^199368156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199368156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261918720).

199368156 is an abundant number, since it is smaller than the sum of its proper divisors (324469284).

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

199368156 is a wasteful number, since it uses less digits than its factorization.

199368156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 521 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 199368156 is about 14119.7788934530. The cubic root of 199368156 is about 584.1870569549.

The spelling of 199368156 in words is "one hundred ninety-nine million, three hundred sixty-eight thousand, one hundred fifty-six".