10156605105161 has 4 divisors (see below), whose sum is σ = 10156623091524. Its totient is φ = 10156587118800.

The previous prime is 10156605105149. The next prime is 10156605105187. The reversal of 10156605105161 is 16150150665101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4117023612025 + 6039581493136 = 2029045^2 + 2457556^2 .

It is a cyclic number.

It is not a de Polignac number, because 10156605105161 - 2¹⁸ = 10156604843017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10156605105131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8117750 + ... + 9284991.

It is an arithmetic number, because the mean of its divisors is an integer number (2539155772881).

Almost surely, 2^{10156605105161} is an apocalyptic number.

It is an amenable number.

10156605105161 is a deficient number, since it is larger than the sum of its proper divisors (17986363).

10156605105161 is an equidigital number, since it uses as much as digits as its factorization.

10156605105161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17986362.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 10156605105161 in words is "ten trillion, one hundred fifty-six billion, six hundred five million, one hundred five thousand, one hundred sixty-one".