798016665600 has 3456 divisors, whose sum is σ = 3992369472000. Its totient is φ = 156067430400.

The previous prime is 798016665599. The next prime is 798016665619. The reversal of 798016665600 is 6566610897.

It is a tau number, because it is divible by the number of its divisors (3456).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 46942156792 + ... + 46942156808.

It is an arithmetic number, because the mean of its divisors is an integer number (1155199500).

Almost surely, 2^798016665600 is an apocalyptic number.

798016665600 is a gapful number since it is divisible by the number (70) 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 798016665600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996184736000).

798016665600 is an abundant number, since it is smaller than the sum of its proper divisors (3194352806400).

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

798016665600 is a wasteful number, since it uses less digits than its factorization.

798016665600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 798016665600 in words is "seven hundred ninety-eight billion, sixteen million, six hundred sixty-five thousand, six hundred".