18063648358 has 16 divisors (see below), whose sum is σ = 31015344384. Its totient is φ = 7729291080.

The previous prime is 18063648347. The next prime is 18063648371. The reversal of 18063648358 is 85384636081.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1013560 + ... + 1031227.

It is an arithmetic number, because the mean of its divisors is an integer number (1938459024).

Almost surely, 2^18063648358 is an apocalyptic number.

18063648358 is a deficient number, since it is larger than the sum of its proper divisors (12951696026).

18063648358 is a wasteful number, since it uses less digits than its factorization.

18063648358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045427.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 18063648358 in words is "eighteen billion, sixty-three million, six hundred forty-eight thousand, three hundred fifty-eight".