18676077720 has 256 divisors, whose sum is σ = 60167577600. Its totient is φ = 4627230720.

The previous prime is 18676077703. The next prime is 18676077733. The reversal of 18676077720 is 2777067681.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 25135669 + ... + 25136411.

It is an arithmetic number, because the mean of its divisors is an integer number (235029600).

Almost surely, 2^18676077720 is an apocalyptic number.

18676077720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18676077720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30083788800).

18676077720 is an abundant number, since it is smaller than the sum of its proper divisors (41491499880).

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

18676077720 is a wasteful number, since it uses less digits than its factorization.

18676077720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1046 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 51.

The spelling of 18676077720 in words is "eighteen billion, six hundred seventy-six million, seventy-seven thousand, seven hundred twenty".