159169628638493 has 16 divisors (see below), whose sum is σ = 174496858562880. Its totient is φ = 143985950937600.

The previous prime is 159169628638483. The next prime is 159169628638609. The reversal of 159169628638493 is 394836826961951.

It is a cyclic number.

It is not a de Polignac number, because 159169628638493 - 2¹⁸ = 159169628376349 is a prime.

It is a super-2 number, since 2×159169628638493² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159169628638403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12155678 + ... + 21589343.

It is an arithmetic number, because the mean of its divisors is an integer number (10906053660180).

Almost surely, 2^{159169628638493} is an apocalyptic number.

It is an amenable number.

159169628638493 is a deficient number, since it is larger than the sum of its proper divisors (15327229924387).

159169628638493 is a wasteful number, since it uses less digits than its factorization.

159169628638493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33747148.

The product of its digits is 3627970560, while the sum is 80.

The spelling of 159169628638493 in words is "one hundred fifty-nine trillion, one hundred sixty-nine billion, six hundred twenty-eight million, six hundred thirty-eight thousand, four hundred ninety-three".