163115420107 has 4 divisors (see below), whose sum is σ = 163450359856. Its totient is φ = 162780480360.

The previous prime is 163115420099. The next prime is 163115420113. The reversal of 163115420107 is 701024511361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701024511361 = 59 ⋅11881771379.

It is a cyclic number.

It is not a de Polignac number, because 163115420107 - 2³ = 163115420099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163115420707) 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, 167469144 + ... + 167470117.

It is an arithmetic number, because the mean of its divisors is an integer number (40862589964).

Almost surely, 2^163115420107 is an apocalyptic number.

163115420107 is a deficient number, since it is larger than the sum of its proper divisors (334939749).

163115420107 is an equidigital number, since it uses as much as digits as its factorization.

163115420107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334939748.

The product of its (nonzero) digits is 5040, while the sum is 31.

Adding to 163115420107 its reverse (701024511361), we get a palindrome (864139931468).

The spelling of 163115420107 in words is "one hundred sixty-three billion, one hundred fifteen million, four hundred twenty thousand, one hundred seven".