856147303741658 has 8 divisors (see below), whose sum is σ = 1284222110127060. Its totient is φ = 428073267032640.

The previous prime is 856147303741553. The next prime is 856147303741673.

856147303741658 is nontrivially palindromic in base 10.

856147303741658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 854970757853689 + 1176545887969 = 29239883^2 + 1084687^2 .

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

It is a super-2 number, since 2×856147303741658² (a number of 31 digits) contains 22 as substring.

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, 189630143 + ... + 194092466.

Almost surely, 2^{856147303741658} is an apocalyptic number.

856147303741658 is a deficient number, since it is larger than the sum of its proper divisors (428074806385402).

856147303741658 is a wasteful number, since it uses less digits than its factorization.

856147303741658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384838192.

The product of its (nonzero) digits is 406425600, while the sum is 68.

The spelling of 856147303741658 in words is "eight hundred fifty-six trillion, one hundred forty-seven billion, three hundred three million, seven hundred forty-one thousand, six hundred fifty-eight".