418866166260 has 144 divisors (see below), whose sum is σ = 1278334721664. Its totient is φ = 111016199424.

The previous prime is 418866166249. The next prime is 418866166261. The reversal of 418866166260 is 62661668814.

418866166260 is a `hidden beast` number, since 4 + 1 + 8 + 8 + 6 + 6 + 1 + 6 + 626 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 418866166197 and 418866166206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (418866166261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20961634 + ... + 20981606.

It is an arithmetic number, because the mean of its divisors is an integer number (8877324456).

Almost surely, 2^418866166260 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 418866166260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639167360832).

418866166260 is an abundant number, since it is smaller than the sum of its proper divisors (859468555404).

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

418866166260 is a wasteful number, since it uses less digits than its factorization.

418866166260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20694 (or 20689 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 418866166260 in words is "four hundred eighteen billion, eight hundred sixty-six million, one hundred sixty-six thousand, two hundred sixty".