163710347889 has 16 divisors (see below), whose sum is σ = 244559931840. Its totient is φ = 96536813760.

The previous prime is 163710347887. The next prime is 163710347929. The reversal of 163710347889 is 988743017361.

It is a happy number.

It is not a de Polignac number, because 163710347889 - 2¹ = 163710347887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163710347887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67038234 + ... + 67040675.

It is an arithmetic number, because the mean of its divisors is an integer number (15284995740).

Almost surely, 2^163710347889 is an apocalyptic number.

It is an amenable number.

163710347889 is a deficient number, since it is larger than the sum of its proper divisors (80849583951).

163710347889 is a wasteful number, since it uses less digits than its factorization.

163710347889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134078960.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 163710347889 in words is "one hundred sixty-three billion, seven hundred ten million, three hundred forty-seven thousand, eight hundred eighty-nine".