5491355740416 has 864 divisors, whose sum is σ = 19788980440320. Its totient is φ = 1425973248000.

The previous prime is 5491355740399. The next prime is 5491355740417. The reversal of 5491355740416 is 6140475531945.

5491355740416 is a `hidden beast` number, since 5 + 4 + 9 + 1 + 3 + 557 + 40 + 41 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (5491355740417) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4468148890 + ... + 4468150118.

Almost surely, 2^{5491355740416} is an apocalyptic number.

5491355740416 is a gapful number since it is divisible by the number (56) 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 5491355740416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9894490220160).

5491355740416 is an abundant number, since it is smaller than the sum of its proper divisors (14297624699904).

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

5491355740416 is a wasteful number, since it uses less digits than its factorization.

5491355740416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 5491355740416 in words is "five trillion, four hundred ninety-one billion, three hundred fifty-five million, seven hundred forty thousand, four hundred sixteen".