10166115510161 has 8 divisors (see below), whose sum is σ = 11244019650024. Its totient is φ = 9130482120960.

The previous prime is 10166115510127. The next prime is 10166115510169. The reversal of 10166115510161 is 16101551166101.

It can be written as a sum of positive squares in 4 ways, for example, as 904020640000 + 9262094870161 = 950800^2 + 3043369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10166115510161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10166115510169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10567687160 + ... + 10567688121.

It is an arithmetic number, because the mean of its divisors is an integer number (1405502456253).

Almost surely, 2^{10166115510161} is an apocalyptic number.

It is an amenable number.

10166115510161 is a deficient number, since it is larger than the sum of its proper divisors (1077904139863).

10166115510161 is a wasteful number, since it uses less digits than its factorization.

10166115510161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21135375331.

The product of its (nonzero) digits is 5400, while the sum is 35.

Adding to 10166115510161 its reverse (16101551166101), we get a palindrome (26267666676262).

The spelling of 10166115510161 in words is "ten trillion, one hundred sixty-six billion, one hundred fifteen million, five hundred ten thousand, one hundred sixty-one".