510016561161 has 16 divisors (see below), whose sum is σ = 697665165120. Its totient is φ = 331214670080.

The previous prime is 510016561147. The next prime is 510016561169. The reversal of 510016561161 is 161165610015.

510016561161 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-510016561161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (510016561169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3064980 + ... + 3227093.

It is an arithmetic number, because the mean of its divisors is an integer number (43604072820).

Almost surely, 2^510016561161 is an apocalyptic number.

It is an amenable number.

510016561161 is a deficient number, since it is larger than the sum of its proper divisors (187648603959).

510016561161 is a wasteful number, since it uses less digits than its factorization.

510016561161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6292776.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 510016561161 in words is "five hundred ten billion, sixteen million, five hundred sixty-one thousand, one hundred sixty-one".