18828316670730 has 128 divisors (see below), whose sum is σ = 52122129426432. Its totient is φ = 4263877732608.

The previous prime is 18828316670717. The next prime is 18828316670749. The reversal of 18828316670730 is 3707661382881.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10617717 + ... + 12263463.

It is an arithmetic number, because the mean of its divisors is an integer number (407204136144).

Almost surely, 2^{18828316670730} is an apocalyptic number.

18828316670730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18828316670730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26061064713216).

18828316670730 is an abundant number, since it is smaller than the sum of its proper divisors (33293812755702).

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

18828316670730 is a wasteful number, since it uses less digits than its factorization.

18828316670730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646268.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 18828316670730 in words is "eighteen trillion, eight hundred twenty-eight billion, three hundred sixteen million, six hundred seventy thousand, seven hundred thirty".