616228993380 has 384 divisors, whose sum is σ = 2348428271616. Its totient is φ = 116577792000.

The previous prime is 616228993343. The next prime is 616228993399. The reversal of 616228993380 is 83399822616.

616228993380 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 616228993380.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4314105 + ... + 4454655.

It is an arithmetic number, because the mean of its divisors is an integer number (6115698624).

Almost surely, 2^616228993380 is an apocalyptic number.

616228993380 is a gapful number since it is divisible by the number (60) 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 616228993380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174214135808).

616228993380 is an abundant number, since it is smaller than the sum of its proper divisors (1732199278236).

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

616228993380 is a wasteful number, since it uses less digits than its factorization.

616228993380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140667 (or 140665 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 616228993380 in words is "six hundred sixteen billion, two hundred twenty-eight million, nine hundred ninety-three thousand, three hundred eighty".