158285070605 has 4 divisors (see below), whose sum is σ = 189942084732. Its totient is φ = 126628056480.

The previous prime is 158285070583. The next prime is 158285070661. The reversal of 158285070605 is 506070582851.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16188490756 + 142096579849 = 127234^2 + 376957^2 .

It is not a de Polignac number, because 158285070605 - 2³⁶ = 89565593869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 158285070605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15828507056 + ... + 15828507065.

It is an arithmetic number, because the mean of its divisors is an integer number (47485521183).

Almost surely, 2^158285070605 is an apocalyptic number.

It is an amenable number.

158285070605 is a deficient number, since it is larger than the sum of its proper divisors (31657014127).

158285070605 is an equidigital number, since it uses as much as digits as its factorization.

158285070605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31657014126.

The product of its (nonzero) digits is 672000, while the sum is 47.

The spelling of 158285070605 in words is "one hundred fifty-eight billion, two hundred eighty-five million, seventy thousand, six hundred five".