19198306120 has 64 divisors (see below), whose sum is σ = 49390974720. Its totient is φ = 6579089664.

The previous prime is 19198306111. The next prime is 19198306133. The reversal of 19198306120 is 2160389191.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604149 + ... + 635131.

It is an arithmetic number, because the mean of its divisors is an integer number (771733980).

Almost surely, 2^19198306120 is an apocalyptic number.

19198306120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19198306120 is an abundant number, since it is smaller than the sum of its proper divisors (30192668600).

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

19198306120 is a wasteful number, since it uses less digits than its factorization.

19198306120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33214 (or 33210 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 40.

19198306120 divided by its sum of digits (40) gives a triangular number (479957653 = T₃₀₉₈₂).

The spelling of 19198306120 in words is "nineteen billion, one hundred ninety-eight million, three hundred six thousand, one hundred twenty".