616899892320 has 384 divisors, whose sum is σ = 2364999638400. Its totient is φ = 149490302976.

The previous prime is 616899892283. The next prime is 616899892333. The reversal of 616899892320 is 23298998616.

616899892320 is a `hidden beast` number, since 61 + 6 + 89 + 98 + 92 + 320 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1984932 + ... + 2274588.

It is an arithmetic number, because the mean of its divisors is an integer number (6158853225).

Almost surely, 2^616899892320 is an apocalyptic number.

616899892320 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 616899892320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1182499819200).

616899892320 is an abundant number, since it is smaller than the sum of its proper divisors (1748099746080).

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

616899892320 is a wasteful number, since it uses less digits than its factorization.

616899892320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289727 (or 289713 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The spelling of 616899892320 in words is "six hundred sixteen billion, eight hundred ninety-nine million, eight hundred ninety-two thousand, three hundred twenty".