675817616 has 20 divisors (see below), whose sum is σ = 1309877100. Its totient is φ = 337784832.

The previous prime is 675817613. The next prime is 675817621. The reversal of 675817616 is 616718576.

It can be written as a sum of positive squares in 2 ways, for example, as 60777616 + 615040000 = 7796^2 + 24800^2 .

It is a hoax number, since the sum of its digits (47) 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 (675817613) 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, 50480 + ... + 62448.

It is an arithmetic number, because the mean of its divisors is an integer number (65493855).

Almost surely, 2^675817616 is an apocalyptic number.

It is an amenable number.

675817616 is a deficient number, since it is larger than the sum of its proper divisors (634059484).

675817616 is a wasteful number, since it uses less digits than its factorization.

675817616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15506 (or 15500 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 675817616 is about 25996.4923787806. The cubic root of 675817616 is about 877.5593598424.

The spelling of 675817616 in words is "six hundred seventy-five million, eight hundred seventeen thousand, six hundred sixteen".