4981228158816 has 576 divisors, whose sum is σ = 18094039262208. Its totient is φ = 1312711723008.

The previous prime is 4981228158791. The next prime is 4981228158833. The reversal of 4981228158816 is 6188518221894.

4981228158816 is a `hidden beast` number, since 4 + 9 + 8 + 12 + 28 + 1 + 588 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1476792906 + ... + 1476796278.

It is an arithmetic number, because the mean of its divisors is an integer number (31413262608).

Almost surely, 2^{4981228158816} 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 4981228158816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9047019631104).

4981228158816 is an abundant number, since it is smaller than the sum of its proper divisors (13112811103392).

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

4981228158816 is a wasteful number, since it uses less digits than its factorization.

4981228158816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505 (or 5485 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 63.

The spelling of 4981228158816 in words is "four trillion, nine hundred eighty-one billion, two hundred twenty-eight million, one hundred fifty-eight thousand, eight hundred sixteen".