18630002172230 has 32 divisors (see below), whose sum is σ = 33798673695744. Its totient is φ = 7393187523456.

The previous prime is 18630002172077. The next prime is 18630002172233. The reversal of 18630002172230 is 3227120003681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18630002172233) 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 15 ways as a sum of consecutive naturals, for example, 95473844 + ... + 95668776.

It is an arithmetic number, because the mean of its divisors is an integer number (1056208552992).

Almost surely, 2^{18630002172230} is an apocalyptic number.

18630002172230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18630002172230 is a deficient number, since it is larger than the sum of its proper divisors (15168671523514).

18630002172230 is a wasteful number, since it uses less digits than its factorization.

18630002172230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270320.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 18630002172230 in words is "eighteen trillion, six hundred thirty billion, two million, one hundred seventy-two thousand, two hundred thirty".