18060148657 has 2 divisors, whose sum is σ = 18060148658. Its totient is φ = 18060148656.

The previous prime is 18060148643. The next prime is 18060148669. The reversal of 18060148657 is 75684106081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9294695281 + 8765453376 = 96409^2 + 93624^2 .

It is a cyclic number.

It is not a de Polignac number, because 18060148657 - 2⁷ = 18060148529 is a prime.

It is not a weakly prime, because it can be changed into another prime (18060148637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9030074328 + 9030074329.

It is an arithmetic number, because the mean of its divisors is an integer number (9030074329).

Almost surely, 2^18060148657 is an apocalyptic number.

It is an amenable number.

18060148657 is a deficient number, since it is larger than the sum of its proper divisors (1).

18060148657 is an equidigital number, since it uses as much as digits as its factorization.

18060148657 is an evil number, because the sum of its binary digits is even.

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

The spelling of 18060148657 in words is "eighteen billion, sixty million, one hundred forty-eight thousand, six hundred fifty-seven".