616020416 has 56 divisors (see below), whose sum is σ = 1356238080. Its totient is φ = 275244800.

The previous prime is 616020401. The next prime is 616020463. The reversal of 616020416 is 614020616.

It is a happy number.

616020416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34121 + ... + 48951.

Almost surely, 2^616020416 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 616020416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678119040).

616020416 is an abundant number, since it is smaller than the sum of its proper divisors (740217664).

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

616020416 is a wasteful number, since it uses less digits than its factorization.

616020416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14913 (or 14903 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 616020416 is about 24819.7585806148. The cubic root of 616020416 is about 850.8735729424.

The spelling of 616020416 in words is "six hundred sixteen million, twenty thousand, four hundred sixteen".