159194738208 has 192 divisors, whose sum is σ = 480264422400. Its totient is φ = 45664220160.

The previous prime is 159194738201. The next prime is 159194738221. The reversal of 159194738208 is 802837491951.

It is a super-2 number, since 2×159194738208² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (159194738201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32360773 + ... + 32365691.

It is an arithmetic number, because the mean of its divisors is an integer number (2501377200).

Almost surely, 2^159194738208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159194738208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240132211200).

159194738208 is an abundant number, since it is smaller than the sum of its proper divisors (321069684192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159194738208 is a wasteful number, since it uses less digits than its factorization.

159194738208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575 (or 6567 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 159194738208 in words is "one hundred fifty-nine billion, one hundred ninety-four million, seven hundred thirty-eight thousand, two hundred eight".