2116631167 has 8 divisors (see below), whose sum is σ = 2422234112. Its totient is φ = 1811835000.

The previous prime is 2116631129. The next prime is 2116631171. The reversal of 2116631167 is 7611366112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2116631167 - 2⁷ = 2116631039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116631117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196059 + ... + 206572.

It is an arithmetic number, because the mean of its divisors is an integer number (302779264).

Almost surely, 2^2116631167 is an apocalyptic number.

2116631167 is a deficient number, since it is larger than the sum of its proper divisors (305602945).

2116631167 is an equidigital number, since it uses as much as digits as its factorization.

2116631167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403389.

The product of its digits is 9072, while the sum is 34.

The square root of 2116631167 is about 46006.8599993523. The cubic root of 2116631167 is about 1283.9508394900.

Adding to 2116631167 its reverse (7611366112), we get a palindrome (9727997279).

The spelling of 2116631167 in words is "two billion, one hundred sixteen million, six hundred thirty-one thousand, one hundred sixty-seven".