10071603666 has 80 divisors (see below), whose sum is σ = 22962508800. Its totient is φ = 3298905792.

The previous prime is 10071603643. The next prime is 10071603667. The reversal of 10071603666 is 66630617001.

It is a self number, because there is not a number n which added to its sum of digits gives 10071603666.

It is not an unprimeable number, because it can be changed into a prime (10071603667) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2852190 + ... + 2855718.

It is an arithmetic number, because the mean of its divisors is an integer number (287031360).

Almost surely, 2^10071603666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10071603666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11481254400).

10071603666 is an abundant number, since it is smaller than the sum of its proper divisors (12890905134).

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

10071603666 is a wasteful number, since it uses less digits than its factorization.

10071603666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3836 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 10071603666 in words is "ten billion, seventy-one million, six hundred three thousand, six hundred sixty-six".