616343354421000 has 256 divisors, whose sum is σ = 1985781380843520. Its totient is φ = 158995601280000.

The previous prime is 616343354420987. The next prime is 616343354421007. The reversal of 616343354421000 is 124453343616.

It is not an unprimeable number, because it can be changed into a prime (616343354421007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 242488722 + ... + 245017278.

It is an arithmetic number, because the mean of its divisors is an integer number (7756958518920).

Almost surely, 2^{616343354421000} is an apocalyptic number.

616343354421000 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 616343354421000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (992890690421760).

616343354421000 is an abundant number, since it is smaller than the sum of its proper divisors (1369438026422520).

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

616343354421000 is a wasteful number, since it uses less digits than its factorization.

616343354421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531233 (or 2531219 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 616343354421000 in words is "six hundred sixteen trillion, three hundred forty-three billion, three hundred fifty-four million, four hundred twenty-one thousand".