163457585754361 has 4 divisors (see below), whose sum is σ = 163458515442852. Its totient is φ = 163456656065872.

The previous prime is 163457585754329. The next prime is 163457585754389.

It is a happy number.

163457585754361 is nontrivially palindromic in base 10.

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 74400975360000 + 89056610394361 = 8625600^2 + 9436981^2 .

It is a cyclic number.

It is not a de Polignac number, because 163457585754361 - 2⁵ = 163457585754329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163457585754301) 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, 464580466 + ... + 464932171.

It is an arithmetic number, because the mean of its divisors is an integer number (40864628860713).

Almost surely, 2^{163457585754361} is an apocalyptic number.

It is an amenable number.

163457585754361 is a deficient number, since it is larger than the sum of its proper divisors (929688491).

163457585754361 is an equidigital number, since it uses as much as digits as its factorization.

163457585754361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929688490.

The product of its digits is 1270080000, while the sum is 70.

The spelling of 163457585754361 in words is "one hundred sixty-three trillion, four hundred fifty-seven billion, five hundred eighty-five million, seven hundred fifty-four thousand, three hundred sixty-one".