5228891658 has 80 divisors (see below), whose sum is σ = 12118740480. Its totient is φ = 1684092384.

The previous prime is 5228891639. The next prime is 5228891677. The reversal of 5228891658 is 8561988225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5228891639) and next prime (5228891677).

It is a super-2 number, since 2×5228891658² = 54682615942203977928, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 597160 + ... + 605852.

It is an arithmetic number, because the mean of its divisors is an integer number (151484256).

Almost surely, 2^5228891658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5228891658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6059370240).

5228891658 is an abundant number, since it is smaller than the sum of its proper divisors (6889848822).

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

5228891658 is a wasteful number, since it uses less digits than its factorization.

5228891658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8833 (or 8824 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The square root of 5228891658 is about 72311.0756246925. The cubic root of 5228891658 is about 1735.6808870443.

The spelling of 5228891658 in words is "five billion, two hundred twenty-eight million, eight hundred ninety-one thousand, six hundred fifty-eight".