10000321660 has 96 divisors (see below), whose sum is σ = 24610037760. Its totient is φ = 3341979648.

The previous prime is 10000321637. The next prime is 10000321663. The reversal of 10000321660 is 6612300001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000321663) 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, 3472101 + ... + 3474979.

It is an arithmetic number, because the mean of its divisors is an integer number (256354560).

Almost surely, 2^10000321660 is an apocalyptic number.

10000321660 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 10000321660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12305018880).

10000321660 is an abundant number, since it is smaller than the sum of its proper divisors (14609716100).

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

10000321660 is a wasteful number, since it uses less digits than its factorization.

10000321660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10000321660 its reverse (6612300001), we get a palindrome (16612621661).

The spelling of 10000321660 in words is "ten billion, three hundred twenty-one thousand, six hundred sixty".