18063630 has 48 divisors (see below), whose sum is σ = 50581440. Its totient is φ = 4446144.

The previous prime is 18063601. The next prime is 18063653. The reversal of 18063630 is 3636081.

It is a junction number, because it is equal to n+sod(n) for n = 18063594 and 18063603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6550 + ... + 8889.

It is an arithmetic number, because the mean of its divisors is an integer number (1053780).

Almost surely, 2^18063630 is an apocalyptic number.

18063630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18063630 is an abundant number, since it is smaller than the sum of its proper divisors (32517810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18063630 is a wasteful number, since it uses less digits than its factorization.

18063630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15465 (or 15462 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 18063630 is about 4250.1329390973. The cubic root of 18063630 is about 262.3825869462.

The spelling of 18063630 in words is "eighteen million, sixty-three thousand, six hundred thirty".