18256480654 has 8 divisors (see below), whose sum is σ = 27536018328. Its totient is φ = 9077807880.

The previous prime is 18256480651. The next prime is 18256480663. The reversal of 18256480654 is 45608465281.

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 = 18256480598 and 18256480607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18256480651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25215772 + ... + 25216495.

It is an arithmetic number, because the mean of its divisors is an integer number (3442002291).

Almost surely, 2^18256480654 is an apocalyptic number.

18256480654 is a deficient number, since it is larger than the sum of its proper divisors (9279537674).

18256480654 is a wasteful number, since it uses less digits than its factorization.

18256480654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50432450.

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 18256480654 in words is "eighteen billion, two hundred fifty-six million, four hundred eighty thousand, six hundred fifty-four".