23665155103161 has 180 divisors, whose sum is σ = 42870629802924. Its totient is φ = 12989402300160.

The previous prime is 23665155103159. The next prime is 23665155103181. The reversal of 23665155103161 is 16130155156632.

23665155103161 is a `hidden beast` number, since 2 + 3 + 6 + 6 + 5 + 1 + 551 + 0 + 31 + 61 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 1615847745600 + 22049307357561 = 1271160^2 + 4695669^2 .

It is not a de Polignac number, because 23665155103161 - 2¹ = 23665155103159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23665155103181) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 87652771 + ... + 87922343.

Almost surely, 2^{23665155103161} is an apocalyptic number.

It is an amenable number.

23665155103161 is a deficient number, since it is larger than the sum of its proper divisors (19205474699763).

23665155103161 is a wasteful number, since it uses less digits than its factorization.

23665155103161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269686 (or 269653 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 23665155103161 in words is "twenty-three trillion, six hundred sixty-five billion, one hundred fifty-five million, one hundred three thousand, one hundred sixty-one".