159218416436 has 12 divisors (see below), whose sum is σ = 278913398400. Its totient is φ = 79528874040.

The previous prime is 159218416421. The next prime is 159218416439. The reversal of 159218416436 is 634614812951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159218416439) 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, 20079086 + ... + 20087013.

It is an arithmetic number, because the mean of its divisors is an integer number (23242783200).

Almost surely, 2^159218416436 is an apocalyptic number.

It is an amenable number.

159218416436 is a deficient number, since it is larger than the sum of its proper divisors (119694981964).

159218416436 is a wasteful number, since it uses less digits than its factorization.

159218416436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40167094 (or 40167092 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The spelling of 159218416436 in words is "one hundred fifty-nine billion, two hundred eighteen million, four hundred sixteen thousand, four hundred thirty-six".