10163261786721 has 16 divisors (see below), whose sum is σ = 13566014006400. Its totient is φ = 6768011220608.

The previous prime is 10163261786683. The next prime is 10163261786747. The reversal of 10163261786721 is 12768716236101.

It is a happy number.

10163261786721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10163261786721 - 2²⁹ = 10162724915809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10163261786021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16055005 + ... + 16676021.

It is an arithmetic number, because the mean of its divisors is an integer number (847875875400).

Almost surely, 2^{10163261786721} is an apocalyptic number.

It is an amenable number.

10163261786721 is a deficient number, since it is larger than the sum of its proper divisors (3402752219679).

10163261786721 is a wasteful number, since it uses less digits than its factorization.

10163261786721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627048.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 10163261786721 in words is "ten trillion, one hundred sixty-three billion, two hundred sixty-one million, seven hundred eighty-six thousand, seven hundred twenty-one".