158840488889 has 16 divisors (see below), whose sum is σ = 168080849280. Its totient is φ = 149689774080.

The previous prime is 158840488871. The next prime is 158840488913. The reversal of 158840488889 is 988884048851.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158840488889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158840688889) 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, 3606179 + ... + 3649959.

It is an arithmetic number, because the mean of its divisors is an integer number (10505053080).

Almost surely, 2^158840488889 is an apocalyptic number.

158840488889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

158840488889 is a deficient number, since it is larger than the sum of its proper divisors (9240360391).

158840488889 is a wasteful number, since it uses less digits than its factorization.

158840488889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44800.

The product of its (nonzero) digits is 188743680, while the sum is 71.

The spelling of 158840488889 in words is "one hundred fifty-eight billion, eight hundred forty million, four hundred eighty-eight thousand, eight hundred eighty-nine".