199165581160 has 64 divisors (see below), whose sum is σ = 551535465600. Its totient is φ = 63032622336.

The previous prime is 199165581151. The next prime is 199165581211. The reversal of 199165581160 is 61185561991.

It is a super-3 number, since 3×199165581160³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 199165581098 and 199165581107.

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, 27354270 + ... + 27361549.

It is an arithmetic number, because the mean of its divisors is an integer number (8617741650).

Almost surely, 2^199165581160 is an apocalyptic number.

199165581160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199165581160 is an abundant number, since it is smaller than the sum of its proper divisors (352369884440).

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

199165581160 is a wasteful number, since it uses less digits than its factorization.

199165581160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54715850 (or 54715846 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 52.

The spelling of 199165581160 in words is "one hundred ninety-nine billion, one hundred sixty-five million, five hundred eighty-one thousand, one hundred sixty".