65555822652 has 12 divisors (see below), whose sum is σ = 152963586216. Its totient is φ = 21851940880.

The previous prime is 65555822621. The next prime is 65555822659. The reversal of 65555822652 is 25622855556.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65555822595 and 65555822604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65555822659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2731492599 + ... + 2731492622.

It is an arithmetic number, because the mean of its divisors is an integer number (12746965518).

Almost surely, 2^65555822652 is an apocalyptic number.

It is an amenable number.

65555822652 is an abundant number, since it is smaller than the sum of its proper divisors (87407763564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65555822652 is a wasteful number, since it uses less digits than its factorization.

65555822652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462985228 (or 5462985226 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 51.

The spelling of 65555822652 in words is "sixty-five billion, five hundred fifty-five million, eight hundred twenty-two thousand, six hundred fifty-two".