616420198912 has 320 divisors, whose sum is σ = 1515153024000. Its totient is φ = 244914388992.

The previous prime is 616420198873. The next prime is 616420198993. The reversal of 616420198912 is 219891024616.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303803914 + ... + 303805942.

It is an arithmetic number, because the mean of its divisors is an integer number (4734853200).

Almost surely, 2^616420198912 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 616420198912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (757576512000).

616420198912 is an abundant number, since it is smaller than the sum of its proper divisors (898732825088).

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

616420198912 is a wasteful number, since it uses less digits than its factorization.

616420198912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 616420198912 in words is "six hundred sixteen billion, four hundred twenty million, one hundred ninety-eight thousand, nine hundred twelve".