6504556572 has 36 divisors (see below), whose sum is σ = 16474807440. Its totient is φ = 2163868992.

The previous prime is 6504556567. The next prime is 6504556601. The reversal of 6504556572 is 2756554056.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161497 + ... + 197712.

It is an arithmetic number, because the mean of its divisors is an integer number (457633540).

Almost surely, 2^6504556572 is an apocalyptic number.

It is an amenable number.

6504556572 is an abundant number, since it is smaller than the sum of its proper divisors (9970250868).

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

6504556572 is a wasteful number, since it uses less digits than its factorization.

6504556572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359722 (or 359717 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The square root of 6504556572 is about 80650.8311922450. The cubic root of 6504556572 is about 1866.6915651583.

The spelling of 6504556572 in words is "six billion, five hundred four million, five hundred fifty-six thousand, five hundred seventy-two".