6526256616 has 128 divisors (see below), whose sum is σ = 20939990400. Its totient is φ = 1861309440.

The previous prime is 6526256609. The next prime is 6526256641. The reversal of 6526256616 is 6166526256.

It is a happy number.

6526256616 is a `hidden beast` number, since 6 + 5 + 2 + 6 + 25 + 6 + 616 = 666.

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, 40395 + ... + 121178.

It is an arithmetic number, because the mean of its divisors is an integer number (163593675).

Almost surely, 2^6526256616 is an apocalyptic number.

6526256616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6526256616 is an abundant number, since it is smaller than the sum of its proper divisors (14413733784).

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

6526256616 is a wasteful number, since it uses less digits than its factorization.

6526256616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161616 (or 161606 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 6526256616 is about 80785.2499903293. The cubic root of 6526256616 is about 1868.7651026904.

The spelling of 6526256616 in words is "six billion, five hundred twenty-six million, two hundred fifty-six thousand, six hundred sixteen".