1814012181630 has 48 divisors (see below), whose sum is σ = 5145198190704. Its totient is φ = 439760528640.

The previous prime is 1814012181587. The next prime is 1814012181647. The reversal of 1814012181630 is 361812104181.

1814012181630 is a `hidden beast` number, since 1 + 8 + 1 + 4 + 0 + 1 + 2 + 18 + 1 + 630 = 666.

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, 916166779 + ... + 916168758.

It is an arithmetic number, because the mean of its divisors is an integer number (107191628973).

Almost surely, 2^{1814012181630} is an apocalyptic number.

1814012181630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1814012181630 is an abundant number, since it is smaller than the sum of its proper divisors (3331186009074).

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

1814012181630 is a wasteful number, since it uses less digits than its factorization.

1814012181630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832335561 (or 1832335558 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 1814012181630 in words is "one trillion, eight hundred fourteen billion, twelve million, one hundred eighty-one thousand, six hundred thirty".