199221783552 has 440 divisors, whose sum is σ = 658887049920. Its totient is φ = 59450941440.

The previous prime is 199221783521. The next prime is 199221783569. The reversal of 199221783552 is 255387122991.

199221783552 is a `hidden beast` number, since 1 + 9 + 9 + 2 + 2 + 1 + 7 + 83 + 552 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 61128099 + ... + 61131357.

It is an arithmetic number, because the mean of its divisors is an integer number (1497470568).

Almost surely, 2^199221783552 is an apocalyptic number.

199221783552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199221783552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329443524960).

199221783552 is an abundant number, since it is smaller than the sum of its proper divisors (459665266368).

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

199221783552 is a wasteful number, since it uses less digits than its factorization.

199221783552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369 (or 3342 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 199221783552 in words is "one hundred ninety-nine billion, two hundred twenty-one million, seven hundred eighty-three thousand, five hundred fifty-two".