505165610061 has 24 divisors (see below), whose sum is σ = 840290028864. Its totient is φ = 286462500480.

The previous prime is 505165610041. The next prime is 505165610093. The reversal of 505165610061 is 160016561505.

It is not a de Polignac number, because 505165610061 - 2¹³ = 505165601869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505165609998 and 505165610025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505165610011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30596716 + ... + 30613221.

It is an arithmetic number, because the mean of its divisors is an integer number (35012084536).

Almost surely, 2^505165610061 is an apocalyptic number.

It is an amenable number.

505165610061 is a deficient number, since it is larger than the sum of its proper divisors (335124418803).

505165610061 is a wasteful number, since it uses less digits than its factorization.

505165610061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61210081 (or 61210078 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 505165610061 in words is "five hundred five billion, one hundred sixty-five million, six hundred ten thousand, sixty-one".