65554033212 has 84 divisors (see below), whose sum is σ = 173608963416. Its totient is φ = 21647023200.

The previous prime is 65554033159. The next prime is 65554033213. The reversal of 65554033212 is 21233045556.

65554033212 is a `hidden beast` number, since 65 + 5 + 540 + 33 + 21 + 2 = 666.

65554033212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65554033213) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 206962 + ... + 417062.

It is an arithmetic number, because the mean of its divisors is an integer number (2066773374).

Almost surely, 2^65554033212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65554033212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86804481708).

65554033212 is an abundant number, since it is smaller than the sum of its proper divisors (108054930204).

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

65554033212 is a wasteful number, since it uses less digits than its factorization.

65554033212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210230 (or 210213 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 65554033212 its reverse (21233045556), we get a palindrome (86787078768).

The spelling of 65554033212 in words is "sixty-five billion, five hundred fifty-four million, thirty-three thousand, two hundred twelve".