1398563393616 has 280 divisors, whose sum is σ = 4281390824640. Its totient is φ = 441151142400.

The previous prime is 1398563393543. The next prime is 1398563393621. The reversal of 1398563393616 is 6163933658931.

It is a happy number.

1398563393616 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 5 + 6 + 3 + 3 + 9 + 3 + 616 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 228483036 + ... + 228489156.

Almost surely, 2^{1398563393616} is an apocalyptic number.

1398563393616 is a gapful number since it is divisible by the number (16) 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 1398563393616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2140695412320).

1398563393616 is an abundant number, since it is smaller than the sum of its proper divisors (2882827431024).

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

1398563393616 is a wasteful number, since it uses less digits than its factorization.

1398563393616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7197 (or 7176 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 63.

The spelling of 1398563393616 in words is "one trillion, three hundred ninety-eight billion, five hundred sixty-three million, three hundred ninety-three thousand, six hundred sixteen".