199150680 has 128 divisors (see below), whose sum is σ = 615625920. Its totient is φ = 51517440.

The previous prime is 199150667. The next prime is 199150681. The reversal of 199150680 is 86051991.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199150681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1100190 + ... + 1100370.

Almost surely, 2^199150680 is an apocalyptic number.

199150680 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 199150680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307812960).

199150680 is an abundant number, since it is smaller than the sum of its proper divisors (416475240).

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

199150680 is a wasteful number, since it uses less digits than its factorization.

199150680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 199150680 is about 14112.0756800692. The cubic root of 199150680 is about 583.9745641640.

The spelling of 199150680 in words is "one hundred ninety-nine million, one hundred fifty thousand, six hundred eighty".