10081663900 has 144 divisors (see below), whose sum is σ = 27910713600. Its totient is φ = 3069158400.

The previous prime is 10081663897. The next prime is 10081663913. The reversal of 10081663900 is 936618001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315876 + ... + 346324.

It is an arithmetic number, because the mean of its divisors is an integer number (193824400).

Almost surely, 2^10081663900 is an apocalyptic number.

10081663900 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 10081663900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13955356800).

10081663900 is an abundant number, since it is smaller than the sum of its proper divisors (17829049700).

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

10081663900 is a wasteful number, since it uses less digits than its factorization.

10081663900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30524 (or 30517 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 10081663900 in words is "ten billion, eighty-one million, six hundred sixty-three thousand, nine hundred".