108234721667 has 2 divisors, whose sum is σ = 108234721668. Its totient is φ = 108234721666.

The previous prime is 108234721663. The next prime is 108234721709. The reversal of 108234721667 is 766127432801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108234721667 - 2² = 108234721663 is a prime.

It is not a weakly prime, because it can be changed into another prime (108234721663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54117360833 + 54117360834.

It is an arithmetic number, because the mean of its divisors is an integer number (54117360834).

Almost surely, 2^108234721667 is an apocalyptic number.

108234721667 is a deficient number, since it is larger than the sum of its proper divisors (1).

108234721667 is an equidigital number, since it uses as much as digits as its factorization.

108234721667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 108234721667 in words is "one hundred eight billion, two hundred thirty-four million, seven hundred twenty-one thousand, six hundred sixty-seven".