163146626873 has 2 divisors, whose sum is σ = 163146626874. Its totient is φ = 163146626872.

The previous prime is 163146626857. The next prime is 163146626891. The reversal of 163146626873 is 378626641361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99393911824 + 63752715049 = 315268^2 + 252493^2 .

It is a cyclic number.

It is not a de Polignac number, because 163146626873 - 2⁴ = 163146626857 is a prime.

It is not a weakly prime, because it can be changed into another prime (163146626833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81573313436 + 81573313437.

It is an arithmetic number, because the mean of its divisors is an integer number (81573313437).

Almost surely, 2^163146626873 is an apocalyptic number.

It is an amenable number.

163146626873 is a deficient number, since it is larger than the sum of its proper divisors (1).

163146626873 is an equidigital number, since it uses as much as digits as its factorization.

163146626873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 53.

The spelling of 163146626873 in words is "one hundred sixty-three billion, one hundred forty-six million, six hundred twenty-six thousand, eight hundred seventy-three".