199554356 has 6 divisors (see below), whose sum is σ = 349220130. Its totient is φ = 99777176.

The previous prime is 199554331. The next prime is 199554367. The reversal of 199554356 is 653455991.

It can be written as a sum of positive squares in only one way, i.e., 187416100 + 12138256 = 13690^2 + 3484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 199554356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24944291 + ... + 24944298.

It is an arithmetic number, because the mean of its divisors is an integer number (58203355).

Almost surely, 2^199554356 is an apocalyptic number.

It is an amenable number.

199554356 is a deficient number, since it is larger than the sum of its proper divisors (149665774).

199554356 is a wasteful number, since it uses less digits than its factorization.

199554356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49888593 (or 49888591 counting only the distinct ones).

The product of its digits is 729000, while the sum is 47.

The square root of 199554356 is about 14126.3709423192. The cubic root of 199554356 is about 584.3688676413.

The spelling of 199554356 in words is "one hundred ninety-nine million, five hundred fifty-four thousand, three hundred fifty-six".