616659316 has 144 divisors (see below), whose sum is σ = 1440026112. Its totient is φ = 228614400.

The previous prime is 616659301. The next prime is 616659319. The reversal of 616659316 is 613956616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616659319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2922451 + ... + 2922661.

Almost surely, 2^616659316 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 616659316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720013056).

616659316 is an abundant number, since it is smaller than the sum of its proper divisors (823366796).

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

616659316 is a wasteful number, since it uses less digits than its factorization.

616659316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 301 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The square root of 616659316 is about 24832.6260391446. The cubic root of 616659316 is about 851.1676299151.

The spelling of 616659316 in words is "six hundred sixteen million, six hundred fifty-nine thousand, three hundred sixteen".