158580080721 has 32 divisors (see below), whose sum is σ = 237421134720. Its totient is φ = 104601203712.

The previous prime is 158580080719. The next prime is 158580080723. The reversal of 158580080721 is 127080085851.

It is an interprime number because it is at equal distance from previous prime (158580080719) and next prime (158580080723).

It is not a de Polignac number, because 158580080721 - 2¹ = 158580080719 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (158580080723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13804246 + ... + 13815728.

It is an arithmetic number, because the mean of its divisors is an integer number (7419410460).

Almost surely, 2^158580080721 is an apocalyptic number.

It is an amenable number.

158580080721 is a deficient number, since it is larger than the sum of its proper divisors (78841053999).

158580080721 is a wasteful number, since it uses less digits than its factorization.

158580080721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16862 (or 16856 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 45.

The spelling of 158580080721 in words is "one hundred fifty-eight billion, five hundred eighty million, eighty thousand, seven hundred twenty-one".