5665812754161 has 32 divisors (see below), whose sum is σ = 8902500203520. Its totient is φ = 3138248977344.

The previous prime is 5665812754159. The next prime is 5665812754163. The reversal of 5665812754161 is 1614572185665.

It is a happy number.

5665812754161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5665812754159) and next prime (5665812754163).

It is not a de Polignac number, because 5665812754161 - 2¹ = 5665812754159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5665812754163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30573751 + ... + 30758508.

It is an arithmetic number, because the mean of its divisors is an integer number (278203131360).

Almost surely, 2^{5665812754161} is an apocalyptic number.

It is an amenable number.

5665812754161 is a deficient number, since it is larger than the sum of its proper divisors (3236687449359).

5665812754161 is a wasteful number, since it uses less digits than its factorization.

5665812754161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61332405.

The product of its digits is 12096000, while the sum is 57.

The spelling of 5665812754161 in words is "five trillion, six hundred sixty-five billion, eight hundred twelve million, seven hundred fifty-four thousand, one hundred sixty-one".