616797108 has 72 divisors (see below), whose sum is σ = 1595670440. Its totient is φ = 200828160.

The previous prime is 616797091. The next prime is 616797119. The reversal of 616797108 is 801797616.

It can be written as a sum of positive squares in 4 ways, for example, as 40220964 + 576576144 = 6342^2 + 24012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343878 + ... + 345666.

Almost surely, 2^616797108 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 616797108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797835220).

616797108 is an abundant number, since it is smaller than the sum of its proper divisors (978873332).

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

616797108 is a wasteful number, since it uses less digits than its factorization.

616797108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 616797108 is about 24835.4002987671. The cubic root of 616797108 is about 851.2310227548.

The spelling of 616797108 in words is "six hundred sixteen million, seven hundred ninety-seven thousand, one hundred eight".