18658054047 has 16 divisors (see below), whose sum is σ = 27052697952. Its totient is φ = 11390607360.

The previous prime is 18658054039. The next prime is 18658054057. The reversal of 18658054047 is 74045085681.

It is not a de Polignac number, because 18658054047 - 2³ = 18658054039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18658053987 and 18658054005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18658054027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4941954 + ... + 4945727.

It is an arithmetic number, because the mean of its divisors is an integer number (1690793622).

Almost surely, 2^18658054047 is an apocalyptic number.

18658054047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18658054047 is a deficient number, since it is larger than the sum of its proper divisors (8394643905).

18658054047 is a wasteful number, since it uses less digits than its factorization.

18658054047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9887738.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 18658054047 in words is "eighteen billion, six hundred fifty-eight million, fifty-four thousand, forty-seven".