19914175680 has 224 divisors, whose sum is σ = 72441937920. Its totient is φ = 4540354560.

The previous prime is 19914175679. The next prime is 19914175681. The reversal of 19914175680 is 8657141991.

It is an interprime number because it is at equal distance from previous prime (19914175679) and next prime (19914175681).

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (19914175681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2825601 + ... + 2832639.

Almost surely, 2^19914175680 is an apocalyptic number.

19914175680 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 19914175680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36220968960).

19914175680 is an abundant number, since it is smaller than the sum of its proper divisors (52527762240).

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

19914175680 is a wasteful number, since it uses less digits than its factorization.

19914175680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487 (or 7477 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 19914175680 in words is "nineteen billion, nine hundred fourteen million, one hundred seventy-five thousand, six hundred eighty".