199830976190 has 16 divisors (see below), whose sum is σ = 359717156928. Its totient is φ = 79927634976.

The previous prime is 199830976157. The next prime is 199830976211. The reversal of 199830976190 is 91679038991.

It is a super-2 number, since 2×199830976190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415382 + ... + 756441.

It is an arithmetic number, because the mean of its divisors is an integer number (22482322308).

Almost surely, 2^199830976190 is an apocalyptic number.

199830976190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199830976190 is a deficient number, since it is larger than the sum of its proper divisors (159886180738).

199830976190 is a wasteful number, since it uses less digits than its factorization.

199830976190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188883.

The product of its (nonzero) digits is 6613488, while the sum is 62.

The spelling of 199830976190 in words is "one hundred ninety-nine billion, eight hundred thirty million, nine hundred seventy-six thousand, one hundred ninety".