190800909019908 has 72 divisors (see below), whose sum is σ = 557097841329120. Its totient is φ = 54417371554560.

The previous prime is 190800909019883. The next prime is 190800909019969. The reversal of 190800909019908 is 809910909008091.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14171183778 + ... + 14171197241.

It is an arithmetic number, because the mean of its divisors is an integer number (7737470018460).

Almost surely, 2^{190800909019908} is an apocalyptic number.

190800909019908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190800909019908 is an abundant number, since it is smaller than the sum of its proper divisors (366296932309212).

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

190800909019908 is a wasteful number, since it uses less digits than its factorization.

190800909019908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28342381057 (or 28342381052 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 63.

The spelling of 190800909019908 in words is "one hundred ninety trillion, eight hundred billion, nine hundred nine million, nineteen thousand, nine hundred eight".