5491546368 has 144 divisors (see below), whose sum is σ = 18222145536. Its totient is φ = 1426360320.

The previous prime is 5491546351. The next prime is 5491546369. The reversal of 5491546368 is 8636451945.

It is a self number, because there is not a number n which added to its sum of digits gives 5491546368.

It is not an unprimeable number, because it can be changed into a prime (5491546369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12705 + ... + 105567.

Almost surely, 2^5491546368 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 5491546368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9111072768).

5491546368 is an abundant number, since it is smaller than the sum of its proper divisors (12730599168).

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

5491546368 is a wasteful number, since it uses less digits than its factorization.

5491546368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92900 (or 92886 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The square root of 5491546368 is about 74104.9685783619. The cubic root of 5491546368 is about 1764.2693322334.

The spelling of 5491546368 in words is "five billion, four hundred ninety-one million, five hundred forty-six thousand, three hundred sixty-eight".