818466222960 has 240 divisors, whose sum is σ = 2777742998784. Its totient is φ = 215956758528.

The previous prime is 818466222943. The next prime is 818466222991. The reversal of 818466222960 is 69222664818.

818466222960 is a `hidden beast` number, since 8 + 1 + 8 + 4 + 6 + 622 + 2 + 9 + 6 + 0 = 666.

818466222960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a junction number, because it is equal to n+sod(n) for n = 818466222897 and 818466222906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49377234 + ... + 49393806.

Almost surely, 2^818466222960 is an apocalyptic number.

818466222960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818466222960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1388871499392).

818466222960 is an abundant number, since it is smaller than the sum of its proper divisors (1959276775824).

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

818466222960 is a wasteful number, since it uses less digits than its factorization.

818466222960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17312 (or 17303 counting only the distinct ones).

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

The spelling of 818466222960 in words is "eight hundred eighteen billion, four hundred sixty-six million, two hundred twenty-two thousand, nine hundred sixty".