616555230 has 64 divisors (see below), whose sum is σ = 1500206400. Its totient is φ = 162155520.

The previous prime is 616555223. The next prime is 616555237. The reversal of 616555230 is 32555616.

It is an interprime number because it is at equal distance from previous prime (616555223) and next prime (616555237).

It is a junction number, because it is equal to n+sod(n) for n = 616555191 and 616555200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616555237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1337200 + ... + 1337660.

It is an arithmetic number, because the mean of its divisors is an integer number (23440725).

Almost surely, 2^616555230 is an apocalyptic number.

616555230 is an abundant number, since it is smaller than the sum of its proper divisors (883651170).

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

616555230 is a wasteful number, since it uses less digits than its factorization.

616555230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 616555230 is about 24830.5301997360. The cubic root of 616555230 is about 851.1197376583.

The spelling of 616555230 in words is "six hundred sixteen million, five hundred fifty-five thousand, two hundred thirty".