18836682548 has 24 divisors (see below), whose sum is σ = 33442678080. Its totient is φ = 9281744640.

The previous prime is 18836682541. The next prime is 18836682559. The reversal of 18836682548 is 84528663881.

It is a happy number.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18836682541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723623 + ... + 749201.

It is an arithmetic number, because the mean of its divisors is an integer number (1393444920).

Almost surely, 2^18836682548 is an apocalyptic number.

It is an amenable number.

18836682548 is a deficient number, since it is larger than the sum of its proper divisors (14605995532).

18836682548 is a wasteful number, since it uses less digits than its factorization.

18836682548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28247 (or 28245 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 59.

The spelling of 18836682548 in words is "eighteen billion, eight hundred thirty-six million, six hundred eighty-two thousand, five hundred forty-eight".