6541263152 has 40 divisors (see below), whose sum is σ = 13701318000. Its totient is φ = 3014744832.

The previous prime is 6541263137. The next prime is 6541263161. The reversal of 6541263152 is 2513621456.

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, 279527 + ... + 302022.

It is an arithmetic number, because the mean of its divisors is an integer number (342532950).

Almost surely, 2^6541263152 is an apocalyptic number.

It is an amenable number.

6541263152 is an abundant number, since it is smaller than the sum of its proper divisors (7160054848).

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

6541263152 is a wasteful number, since it uses less digits than its factorization.

6541263152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581613 (or 581607 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 6541263152 is about 80878.0758425916. The cubic root of 6541263152 is about 1870.1963582688.

The spelling of 6541263152 in words is "six billion, five hundred forty-one million, two hundred sixty-three thousand, one hundred fifty-two".