722018666116800 has 1680 divisors, whose sum is σ = 3015772815686400. Its totient is φ = 167968617062400.

The previous prime is 722018666116757. The next prime is 722018666116817. The reversal of 722018666116800 is 8611666810227.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 13412665885 + ... + 13412719715.

It is an arithmetic number, because the mean of its divisors is an integer number (1795102866480).

Almost surely, 2^{722018666116800} 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 722018666116800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507886407843200).

722018666116800 is an abundant number, since it is smaller than the sum of its proper divisors (2293754149569600).

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

722018666116800 is a wasteful number, since it uses less digits than its factorization.

722018666116800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54316 (or 54292 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 722018666116800 in words is "seven hundred twenty-two trillion, eighteen billion, six hundred sixty-six million, one hundred sixteen thousand, eight hundred".