6598378652 has 12 divisors (see below), whose sum is σ = 11559110640. Its totient is φ = 3295775616.

The previous prime is 6598378651. The next prime is 6598378663. The reversal of 6598378652 is 2568738956.

It is a junction number, because it is equal to n+sod(n) for n = 6598378591 and 6598378600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6598378651) 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, 849077 + ... + 856812.

It is an arithmetic number, because the mean of its divisors is an integer number (963259220).

Almost surely, 2^6598378652 is an apocalyptic number.

It is an amenable number.

6598378652 is a deficient number, since it is larger than the sum of its proper divisors (4960731988).

6598378652 is a wasteful number, since it uses less digits than its factorization.

6598378652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706860 (or 1706858 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 59.

The square root of 6598378652 is about 81230.4047263092. The cubic root of 6598378652 is about 1875.6238423821.

The spelling of 6598378652 in words is "six billion, five hundred ninety-eight million, three hundred seventy-eight thousand, six hundred fifty-two".