6541522104 has 64 divisors (see below), whose sum is σ = 17910345600. Its totient is φ = 1978655616.

The previous prime is 6541522093. The next prime is 6541522159. The reversal of 6541522104 is 4012251456.

It is a super-2 number, since 2×6541522104² = 85583022874241173632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159274 + ... + 196089.

It is an arithmetic number, because the mean of its divisors is an integer number (279849150).

Almost surely, 2^6541522104 is an apocalyptic number.

It is an amenable number.

6541522104 is an abundant number, since it is smaller than the sum of its proper divisors (11368823496).

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

6541522104 is a wasteful number, since it uses less digits than its factorization.

6541522104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355444 (or 355440 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 6541522104 is about 80879.6767055853. The cubic root of 6541522104 is about 1870.2210367182.

The spelling of 6541522104 in words is "six billion, five hundred forty-one million, five hundred twenty-two thousand, one hundred four".