616560068 has 12 divisors (see below), whose sum is σ = 1116186540. Its totient is φ = 297649632.

The previous prime is 616560067. The next prime is 616560071. The reversal of 616560068 is 860065616.

It can be written as a sum of positive squares in 2 ways, for example, as 293711044 + 322849024 = 17138^2 + 17968^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (616560067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657471 + ... + 2657702.

It is an arithmetic number, because the mean of its divisors is an integer number (93015545).

Almost surely, 2^616560068 is an apocalyptic number.

It is an amenable number.

616560068 is a deficient number, since it is larger than the sum of its proper divisors (499626472).

616560068 is a wasteful number, since it uses less digits than its factorization.

616560068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315206 (or 5315204 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 616560068 is about 24830.6276199374. The cubic root of 616560068 is about 851.1219638479.

The spelling of 616560068 in words is "six hundred sixteen million, five hundred sixty thousand, sixty-eight".