2116624667 has 2 divisors, whose sum is σ = 2116624668. Its totient is φ = 2116624666.

The previous prime is 2116624663. The next prime is 2116624687. The reversal of 2116624667 is 7664266112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2116624667 - 2² = 2116624663 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116624663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058312333 + 1058312334.

It is an arithmetic number, because the mean of its divisors is an integer number (1058312334).

Almost surely, 2^2116624667 is an apocalyptic number.

2116624667 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116624667 is an equidigital number, since it uses as much as digits as its factorization.

2116624667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 2116624667 is about 46006.7893576589. The cubic root of 2116624667 is about 1283.9495251862.

The spelling of 2116624667 in words is "two billion, one hundred sixteen million, six hundred twenty-four thousand, six hundred sixty-seven".