199628898079320 has 96 divisors (see below), whose sum is σ = 649135211839920. Its totient is φ = 53206369286400.

The previous prime is 199628898079313. The next prime is 199628898079327. The reversal of 199628898079320 is 23970898826991.

199628898079320 is a `hidden beast` number, since 1 + 9 + 9 + 6 + 288 + 9 + 8 + 0 + 7 + 9 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (199628898079313) and next prime (199628898079327).

It is a self number, because there is not a number n which added to its sum of digits gives 199628898079320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199628898079327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145166434 + ... + 146535153.

Almost surely, 2^{199628898079320} is an apocalyptic number.

199628898079320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199628898079320 is an abundant number, since it is smaller than the sum of its proper divisors (449506313760600).

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

199628898079320 is a wasteful number, since it uses less digits than its factorization.

199628898079320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291703505 (or 291703498 counting only the distinct ones).

The product of its (nonzero) digits is 1693052928, while the sum is 81.

The spelling of 199628898079320 in words is "one hundred ninety-nine trillion, six hundred twenty-eight billion, eight hundred ninety-eight million, seventy-nine thousand, three hundred twenty".