199869663530 has 16 divisors (see below), whose sum is σ = 368132032224. Its totient is φ = 78088612560.

The previous prime is 199869663517. The next prime is 199869663619. The reversal of 199869663530 is 35366968991.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232406156 + ... + 232407015.

It is an arithmetic number, because the mean of its divisors is an integer number (23008252014).

Almost surely, 2^199869663530 is an apocalyptic number.

199869663530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199869663530 is a deficient number, since it is larger than the sum of its proper divisors (168262368694).

199869663530 is a wasteful number, since it uses less digits than its factorization.

199869663530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464813221.

The product of its (nonzero) digits is 56687040, while the sum is 65.

The spelling of 199869663530 in words is "one hundred ninety-nine billion, eight hundred sixty-nine million, six hundred sixty-three thousand, five hundred thirty".