159541371694 has 16 divisors (see below), whose sum is σ = 255524303232. Its totient is φ = 74527919928.

The previous prime is 159541371667. The next prime is 159541371697. The reversal of 159541371694 is 496173145951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159541371697) 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, 40326984 + ... + 40330939.

It is an arithmetic number, because the mean of its divisors is an integer number (15970268952).

Almost surely, 2^159541371694 is an apocalyptic number.

159541371694 is a deficient number, since it is larger than the sum of its proper divisors (95982931538).

159541371694 is a wasteful number, since it uses less digits than its factorization.

159541371694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80657991.

The product of its digits is 4082400, while the sum is 55.

The spelling of 159541371694 in words is "one hundred fifty-nine billion, five hundred forty-one million, three hundred seventy-one thousand, six hundred ninety-four".