18108546607 has 2 divisors, whose sum is σ = 18108546608. Its totient is φ = 18108546606.

The previous prime is 18108546601. The next prime is 18108546671. The reversal of 18108546607 is 70664580181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18108546607 - 2¹⁹ = 18108022319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18108546601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9054273303 + 9054273304.

It is an arithmetic number, because the mean of its divisors is an integer number (9054273304).

Almost surely, 2^18108546607 is an apocalyptic number.

18108546607 is a deficient number, since it is larger than the sum of its proper divisors (1).

18108546607 is an equidigital number, since it uses as much as digits as its factorization.

18108546607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 18108546607 in words is "eighteen billion, one hundred eight million, five hundred forty-six thousand, six hundred seven".