199989800151 has 8 divisors (see below), whose sum is σ = 266686015344. Its totient is φ = 133310059200.

The previous prime is 199989800117. The next prime is 199989800159. The reversal of 199989800151 is 151008989991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199989800151 - 2¹¹ = 199989798103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199989800159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4090206 + ... + 4138811.

It is an arithmetic number, because the mean of its divisors is an integer number (33335751918).

Almost surely, 2^199989800151 is an apocalyptic number.

199989800151 is the 282836-th centered pentagonal number.

199989800151 is a deficient number, since it is larger than the sum of its proper divisors (66696215193).

199989800151 is an equidigital number, since it uses as much as digits as its factorization.

199989800151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237121.

The product of its (nonzero) digits is 2099520, while the sum is 60.

The spelling of 199989800151 in words is "one hundred ninety-nine billion, nine hundred eighty-nine million, eight hundred thousand, one hundred fifty-one".