18149016607 has 2 divisors, whose sum is σ = 18149016608. Its totient is φ = 18149016606.

The previous prime is 18149016527. The next prime is 18149016629. The reversal of 18149016607 is 70661094181.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18149016607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18149016647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9074508303 + 9074508304.

It is an arithmetic number, because the mean of its divisors is an integer number (9074508304).

Almost surely, 2^18149016607 is an apocalyptic number.

18149016607 is a deficient number, since it is larger than the sum of its proper divisors (1).

18149016607 is an equidigital number, since it uses as much as digits as its factorization.

18149016607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 18149016607 in words is "eighteen billion, one hundred forty-nine million, sixteen thousand, six hundred seven".