199170048 has 192 divisors, whose sum is σ = 663586560. Its totient is φ = 51609600.

The previous prime is 199170007. The next prime is 199170073. The reversal of 199170048 is 840071991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 199169988 and 199170015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472878 + ... + 473298.

It is an arithmetic number, because the mean of its divisors is an integer number (3456180).

Almost surely, 2^199170048 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 199170048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331793280).

199170048 is an abundant number, since it is smaller than the sum of its proper divisors (464416512).

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

199170048 is a wasteful number, since it uses less digits than its factorization.

199170048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 199170048 is about 14112.7618841955. The cubic root of 199170048 is about 583.9934946420.

The spelling of 199170048 in words is "one hundred ninety-nine million, one hundred seventy thousand, forty-eight".