18790716672 has 864 divisors, whose sum is σ = 72318355200. Its totient is φ = 4554620928.

The previous prime is 18790716671. The next prime is 18790716677. The reversal of 18790716672 is 27661709781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18790716671) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 211131604 + ... + 211131692.

It is an arithmetic number, because the mean of its divisors is an integer number (83701800).

Almost surely, 2^18790716672 is an apocalyptic number.

18790716672 is a gapful number since it is divisible by the number (12) 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 18790716672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36159177600).

18790716672 is an abundant number, since it is smaller than the sum of its proper divisors (53527638528).

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

18790716672 is a wasteful number, since it uses less digits than its factorization.

18790716672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The spelling of 18790716672 in words is "eighteen billion, seven hundred ninety million, seven hundred sixteen thousand, six hundred seventy-two".