18484163630 has 32 divisors (see below), whose sum is σ = 34228180800. Its totient is φ = 7181740800.

The previous prime is 18484163629. The next prime is 18484163669. The reversal of 18484163630 is 3636148481.

It is a super-2 number, since 2×18484163630² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179930 + ... + 263330.

It is an arithmetic number, because the mean of its divisors is an integer number (1069630650).

Almost surely, 2^18484163630 is an apocalyptic number.

18484163630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18484163630 is a deficient number, since it is larger than the sum of its proper divisors (15744017170).

18484163630 is a wasteful number, since it uses less digits than its factorization.

18484163630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84044.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 18484163630 in words is "eighteen billion, four hundred eighty-four million, one hundred sixty-three thousand, six hundred thirty".