655044541532161 has 32 divisors (see below), whose sum is σ = 756828954086400. Its totient is φ = 560317815521280.

The previous prime is 655044541532153. The next prime is 655044541532323. The reversal of 655044541532161 is 161235145440556.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 655044541532161 - 2³ = 655044541532153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655044541532099 and 655044541532108.

It is not an unprimeable number, because it can be changed into a prime (655044541532761) 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, 15697564545 + ... + 15697606273.

It is an arithmetic number, because the mean of its divisors is an integer number (23650904815200).

Almost surely, 2^{655044541532161} is an apocalyptic number.

It is an amenable number.

655044541532161 is a deficient number, since it is larger than the sum of its proper divisors (101784412554239).

655044541532161 is a wasteful number, since it uses less digits than its factorization.

655044541532161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61929.

The product of its (nonzero) digits is 8640000, while the sum is 52.

The spelling of 655044541532161 in words is "six hundred fifty-five trillion, forty-four billion, five hundred forty-one million, five hundred thirty-two thousand, one hundred sixty-one".