163589113706 has 4 divisors (see below), whose sum is σ = 245383670562. Its totient is φ = 81794556852.

The previous prime is 163589113679. The next prime is 163589113717. The reversal of 163589113706 is 607311985361.

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

It can be written as a sum of positive squares in only one way, i.e., 131363478481 + 32225635225 = 362441^2 + 179515^2 .

It is a super-2 number, since 2×163589113706² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40897278425 + ... + 40897278428.

Almost surely, 2^163589113706 is an apocalyptic number.

163589113706 is a deficient number, since it is larger than the sum of its proper divisors (81794556856).

163589113706 is an equidigital number, since it uses as much as digits as its factorization.

163589113706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81794556855.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 163589113706 in words is "one hundred sixty-three billion, five hundred eighty-nine million, one hundred thirteen thousand, seven hundred six".