199281633048 has 32 divisors (see below), whose sum is σ = 553560092400. Its totient is φ = 66427210944.

The previous prime is 199281633041. The next prime is 199281633077. The reversal of 199281633048 is 840336182991.

199281633048 is a `hidden beast` number, since 199 + 2 + 81 + 6 + 330 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 199281632985 and 199281633003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199281633041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461299861 + ... + 461300292.

Almost surely, 2^199281633048 is an apocalyptic number.

199281633048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

199281633048 is an abundant number, since it is smaller than the sum of its proper divisors (354278459352).

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

199281633048 is a wasteful number, since it uses less digits than its factorization.

199281633048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922600168 (or 922600158 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 199281633048 in words is "one hundred ninety-nine billion, two hundred eighty-one million, six hundred thirty-three thousand, forty-eight".