18554956622 has 8 divisors (see below), whose sum is σ = 27902543016. Its totient is φ = 9254108952.

The previous prime is 18554956577. The next prime is 18554956627. The reversal of 18554956622 is 22665945581.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18554956627) 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, 11683688 + ... + 11685275.

It is an arithmetic number, because the mean of its divisors is an integer number (3487817877).

Almost surely, 2^18554956622 is an apocalyptic number.

18554956622 is a deficient number, since it is larger than the sum of its proper divisors (9347586394).

18554956622 is a wasteful number, since it uses less digits than its factorization.

18554956622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23369362.

The product of its digits is 5184000, while the sum is 53.

The spelling of 18554956622 in words is "eighteen billion, five hundred fifty-four million, nine hundred fifty-six thousand, six hundred twenty-two".