10065621771568 has 80 divisors (see below), whose sum is σ = 21854960764416. Its totient is φ = 4450629093120.

The previous prime is 10065621771551. The next prime is 10065621771649. The reversal of 10065621771568 is 86517712656001.

10065621771568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29282905 + ... + 29624647.

Almost surely, 2^{10065621771568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10065621771568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10927480382208).

10065621771568 is an abundant number, since it is smaller than the sum of its proper divisors (11789338992848).

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

10065621771568 is a wasteful number, since it uses less digits than its factorization.

10065621771568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346322 (or 346316 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 55.

The spelling of 10065621771568 in words is "ten trillion, sixty-five billion, six hundred twenty-one million, seven hundred seventy-one thousand, five hundred sixty-eight".