159247616693 has 4 divisors (see below), whose sum is σ = 173724672768. Its totient is φ = 144770560620.

The previous prime is 159247616663. The next prime is 159247616701. The reversal of 159247616693 is 396616742951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 159247616693 - 2⁶ = 159247616629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159247616623) 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, 7238528021 + ... + 7238528042.

It is an arithmetic number, because the mean of its divisors is an integer number (43431168192).

Almost surely, 2^159247616693 is an apocalyptic number.

It is an amenable number.

159247616693 is a deficient number, since it is larger than the sum of its proper divisors (14477056075).

159247616693 is a wasteful number, since it uses less digits than its factorization.

159247616693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14477056074.

The product of its digits is 14696640, while the sum is 59.

The spelling of 159247616693 in words is "one hundred fifty-nine billion, two hundred forty-seven million, six hundred sixteen thousand, six hundred ninety-three".