158220732241 has 32 divisors (see below), whose sum is σ = 189499968000. Its totient is φ = 130210778880.

The previous prime is 158220732191. The next prime is 158220732247. The reversal of 158220732241 is 142237022851.

It is not a de Polignac number, because 158220732241 - 2¹³ = 158220724049 is a prime.

It is a super-2 number, since 2×158220732241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158220732241.

It is not an unprimeable number, because it can be changed into a prime (158220732247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1636255 + ... + 1730251.

It is an arithmetic number, because the mean of its divisors is an integer number (5921874000).

Almost surely, 2^158220732241 is an apocalyptic number.

158220732241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

158220732241 is a deficient number, since it is larger than the sum of its proper divisors (31279235759).

158220732241 is a wasteful number, since it uses less digits than its factorization.

158220732241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94249.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 158220732241 in words is "one hundred fifty-eight billion, two hundred twenty million, seven hundred thirty-two thousand, two hundred forty-one".