199180080 has 320 divisors, whose sum is σ = 764951040. Its totient is φ = 47232000.

The previous prime is 199180049. The next prime is 199180081. The reversal of 199180080 is 80081991.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (199180081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1972030 + ... + 1972130.

It is an arithmetic number, because the mean of its divisors is an integer number (2390472).

Almost surely, 2^199180080 is an apocalyptic number.

199180080 is a gapful number since it is divisible by the number (10) 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 199180080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382475520).

199180080 is an abundant number, since it is smaller than the sum of its proper divisors (565770960).

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

199180080 is a wasteful number, since it uses less digits than its factorization.

199180080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 199180080 is about 14113.1173027081. The cubic root of 199180080 is about 584.0032995372.

The spelling of 199180080 in words is "one hundred ninety-nine million, one hundred eighty thousand, eighty".