199548780960 has 96 divisors (see below), whose sum is σ = 632342858112. Its totient is φ = 52894346240.

The previous prime is 199548780913. The next prime is 199548780973. The reversal of 199548780960 is 69087845991.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 199548780891 and 199548780900.

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, 1164531 + ... + 1324850.

It is an arithmetic number, because the mean of its divisors is an integer number (6586904772).

Almost surely, 2^199548780960 is an apocalyptic number.

199548780960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199548780960 is an abundant number, since it is smaller than the sum of its proper divisors (432794077152).

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

199548780960 is a wasteful number, since it uses less digits than its factorization.

199548780960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489566 (or 2489558 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 66.

The spelling of 199548780960 in words is "one hundred ninety-nine billion, five hundred forty-eight million, seven hundred eighty thousand, nine hundred sixty".