158353686641 has 4 divisors (see below), whose sum is σ = 158354596212. Its totient is φ = 158352777072.

The previous prime is 158353686619. The next prime is 158353686709. The reversal of 158353686641 is 146686353851.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 40072032400 + 118281654241 = 200180^2 + 343921^2 .

It is a cyclic number.

It is not a de Polignac number, because 158353686641 - 2⁶ = 158353686577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158353688641) 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, 102866 + ... + 572091.

It is an arithmetic number, because the mean of its divisors is an integer number (39588649053).

Almost surely, 2^158353686641 is an apocalyptic number.

It is an amenable number.

158353686641 is a deficient number, since it is larger than the sum of its proper divisors (909571).

158353686641 is an equidigital number, since it uses as much as digits as its factorization.

158353686641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909570.

The product of its digits is 12441600, while the sum is 56.

The spelling of 158353686641 in words is "one hundred fifty-eight billion, three hundred fifty-three million, six hundred eighty-six thousand, six hundred forty-one".