159976555199 has 4 divisors (see below), whose sum is σ = 160358361240. Its totient is φ = 159594749160.

The previous prime is 159976555187. The next prime is 159976555229. The reversal of 159976555199 is 991555679951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991555679951 = 17 ⋅58326804703.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159976555199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159976555099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190902392 + ... + 190903229.

It is an arithmetic number, because the mean of its divisors is an integer number (40089590310).

Almost surely, 2^159976555199 is an apocalyptic number.

159976555199 is a deficient number, since it is larger than the sum of its proper divisors (381806041).

159976555199 is an equidigital number, since it uses as much as digits as its factorization.

159976555199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381806040.

The product of its digits is 172226250, while the sum is 71.

The spelling of 159976555199 in words is "one hundred fifty-nine billion, nine hundred seventy-six million, five hundred fifty-five thousand, one hundred ninety-nine".