5498191664 has 80 divisors (see below), whose sum is σ = 12652523520. Its totient is φ = 2264613120.

The previous prime is 5498191661. The next prime is 5498191711. The reversal of 5498191664 is 4661918945.

It is a super-2 number, since 2×5498191664² = 60460223148158177792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5498191661) 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, 720509 + ... + 728099.

It is an arithmetic number, because the mean of its divisors is an integer number (158156544).

Almost surely, 2^5498191664 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 5498191664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6326261760).

5498191664 is an abundant number, since it is smaller than the sum of its proper divisors (7154331856).

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

5498191664 is a wasteful number, since it uses less digits than its factorization.

5498191664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858 (or 7852 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 5498191664 is about 74149.7920698366. The cubic root of 5498191664 is about 1764.9806902151.

The spelling of 5498191664 in words is "five billion, four hundred ninety-eight million, one hundred ninety-one thousand, six hundred sixty-four".