159896367956 has 48 divisors (see below), whose sum is σ = 307747051920. Its totient is φ = 72246451200.

The previous prime is 159896367899. The next prime is 159896367971. The reversal of 159896367956 is 659763698951.

It can be written as a sum of positive squares in 8 ways, for example, as 29347116100 + 130549251856 = 171310^2 + 361316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296390 + ... + 638466.

It is an arithmetic number, because the mean of its divisors is an integer number (6411396915).

Almost surely, 2^159896367956 is an apocalyptic number.

It is an amenable number.

159896367956 is a deficient number, since it is larger than the sum of its proper divisors (147850683964).

159896367956 is a wasteful number, since it uses less digits than its factorization.

159896367956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342284 (or 342282 counting only the distinct ones).

The product of its digits is 661348800, while the sum is 74.

The spelling of 159896367956 in words is "one hundred fifty-nine billion, eight hundred ninety-six million, three hundred sixty-seven thousand, nine hundred fifty-six".