163113911967 has 4 divisors (see below), whose sum is σ = 217485215960. Its totient is φ = 108742607976.

The previous prime is 163113911953. The next prime is 163113912029. The reversal of 163113911967 is 769119311361.

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

It is not a de Polignac number, because 163113911967 - 2⁷ = 163113911839 is a prime.

It is a super-2 number, since 2×163113911967² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163113912967) 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, 27185651992 + ... + 27185651997.

It is an arithmetic number, because the mean of its divisors is an integer number (54371303990).

Almost surely, 2^163113911967 is an apocalyptic number.

163113911967 is a deficient number, since it is larger than the sum of its proper divisors (54371303993).

163113911967 is an equidigital number, since it uses as much as digits as its factorization.

163113911967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54371303992.

The product of its digits is 183708, while the sum is 48.

The spelling of 163113911967 in words is "one hundred sixty-three billion, one hundred thirteen million, nine hundred eleven thousand, nine hundred sixty-seven".