620984073816 has 192 divisors, whose sum is σ = 1716347880000. Its totient is φ = 202798632960.

The previous prime is 620984073781. The next prime is 620984073823. The reversal of 620984073816 is 618370489026.

620984073816 is a `hidden beast` number, since 620 + 9 + 8 + 4 + 0 + 7 + 3 + 8 + 1 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 358328086 + ... + 358329818.

It is an arithmetic number, because the mean of its divisors is an integer number (8939311875).

Almost surely, 2^620984073816 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 620984073816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858173940000).

620984073816 is an abundant number, since it is smaller than the sum of its proper divisors (1095363806184).

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

620984073816 is a wasteful number, since it uses less digits than its factorization.

620984073816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 620984073816 in words is "six hundred twenty billion, nine hundred eighty-four million, seventy-three thousand, eight hundred sixteen".