18603638054 has 8 divisors (see below), whose sum is σ = 27912722448. Its totient is φ = 9299397240.

The previous prime is 18603637993. The next prime is 18603638059. The reversal of 18603638054 is 45083630681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 18603637996 and 18603638014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18603638059) 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 3 ways as a sum of consecutive naturals, for example, 1201277 + ... + 1216664.

It is an arithmetic number, because the mean of its divisors is an integer number (3489090306).

Almost surely, 2^18603638054 is an apocalyptic number.

18603638054 is a deficient number, since it is larger than the sum of its proper divisors (9309084394).

18603638054 is a wasteful number, since it uses less digits than its factorization.

18603638054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421790.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 18603638054 in words is "eighteen billion, six hundred three million, six hundred thirty-eight thousand, fifty-four".