18816710130 has 64 divisors (see below), whose sum is σ = 51344853120. Its totient is φ = 4901093568.

The previous prime is 18816710123. The next prime is 18816710197. The reversal of 18816710130 is 3101761881.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 798757 + ... + 821976.

It is an arithmetic number, because the mean of its divisors is an integer number (802263330).

Almost surely, 2^18816710130 is an apocalyptic number.

18816710130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18816710130 is an abundant number, since it is smaller than the sum of its proper divisors (32528142990).

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

18816710130 is a wasteful number, since it uses less digits than its factorization.

18816710130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620792 (or 1620786 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 18816710130 in words is "eighteen billion, eight hundred sixteen million, seven hundred ten thousand, one hundred thirty".