6533378960 has 40 divisors (see below), whose sum is σ = 15680115456. Its totient is φ = 2529048960.

The previous prime is 6533378939. The next prime is 6533378977. The reversal of 6533378960 is 698733356.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 6533378899 and 6533378908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314734 + ... + 1319693.

Almost surely, 2^6533378960 is an apocalyptic number.

It is an amenable number.

6533378960 is an abundant number, since it is smaller than the sum of its proper divisors (9146736496).

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

6533378960 is a wasteful number, since it uses less digits than its factorization.

6533378960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634471 (or 2634465 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 50.

The square root of 6533378960 is about 80829.3199278579. The cubic root of 6533378960 is about 1869.4446729116. Note that the first 3 decimals are identical.

The spelling of 6533378960 in words is "six billion, five hundred thirty-three million, three hundred seventy-eight thousand, nine hundred sixty".