159189895694 has 16 divisors (see below), whose sum is σ = 239078271600. Its totient is φ = 79497177984.

The previous prime is 159189895693. The next prime is 159189895717. The reversal of 159189895694 is 496598981951.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159189895693) 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, 12886829 + ... + 12899175.

It is an arithmetic number, because the mean of its divisors is an integer number (14942391975).

Almost surely, 2^159189895694 is an apocalyptic number.

159189895694 is a deficient number, since it is larger than the sum of its proper divisors (79888375906).

159189895694 is a wasteful number, since it uses less digits than its factorization.

159189895694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19747.

The product of its digits is 251942400, while the sum is 74.

The spelling of 159189895694 in words is "one hundred fifty-nine billion, one hundred eighty-nine million, eight hundred ninety-five thousand, six hundred ninety-four".