6613575540 has 96 divisors (see below), whose sum is σ = 21755454336. Its totient is φ = 1479959040.

The previous prime is 6613575517. The next prime is 6613575571. The reversal of 6613575540 is 455753166.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6613575492 and 6613575501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376827 + ... + 393986.

It is an arithmetic number, because the mean of its divisors is an integer number (226619316).

Almost surely, 2^6613575540 is an apocalyptic number.

6613575540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6613575540 is an abundant number, since it is smaller than the sum of its proper divisors (15141878796).

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

6613575540 is a wasteful number, since it uses less digits than its factorization.

6613575540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770849 (or 770847 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 6613575540 is about 81323.8927991030. The cubic root of 6613575540 is about 1877.0626701325.

The spelling of 6613575540 in words is "six billion, six hundred thirteen million, five hundred seventy-five thousand, five hundred forty".