158604847609 has 8 divisors (see below), whose sum is σ = 173605306952. Its totient is φ = 144004400640.

The previous prime is 158604847607. The next prime is 158604847619. The reversal of 158604847609 is 906748406851.

It can be written as a sum of positive squares in 4 ways, for example, as 779805625 + 157825041984 = 27925^2 + 397272^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158604847609 - 2¹ = 158604847607 is a prime.

It is a super-2 number, since 2×158604847609² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158604847607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100002264 + ... + 100003849.

It is an arithmetic number, because the mean of its divisors is an integer number (21700663369).

Almost surely, 2^158604847609 is an apocalyptic number.

It is an amenable number.

158604847609 is a deficient number, since it is larger than the sum of its proper divisors (15000459343).

158604847609 is a wasteful number, since it uses less digits than its factorization.

158604847609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200006187.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 158604847609 in words is "one hundred fifty-eight billion, six hundred four million, eight hundred forty-seven thousand, six hundred nine".