159999694693147 has 4 divisors (see below), whose sum is σ = 160000000393216. Its totient is φ = 159999388993080.

The previous prime is 159999694693127. The next prime is 159999694693151. The reversal of 159999694693147 is 741396496999951.

159999694693147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159999694693147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159999694693127) 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, 152063604 + ... + 153112177.

It is an arithmetic number, because the mean of its divisors is an integer number (40000000098304).

Almost surely, 2^{159999694693147} is an apocalyptic number.

159999694693147 is a deficient number, since it is larger than the sum of its proper divisors (305700069).

159999694693147 is an equidigital number, since it uses as much as digits as its factorization.

159999694693147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305700068.

The product of its digits is 32141551680, while the sum is 91.

The spelling of 159999694693147 in words is "one hundred fifty-nine trillion, nine hundred ninety-nine billion, six hundred ninety-four million, six hundred ninety-three thousand, one hundred forty-seven".