6525246564 has 18 divisors (see below), whose sum is σ = 16494373350. Its totient is φ = 2175082176.

The previous prime is 6525246557. The next prime is 6525246599. The reversal of 6525246564 is 4656425256.

6525246564 is a `hidden beast` number, since 6 + 5 + 2 + 524 + 65 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5166734400 + 1358512164 = 71880^2 + 36858^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90628389 + ... + 90628460.

It is an arithmetic number, because the mean of its divisors is an integer number (916354075).

Almost surely, 2^6525246564 is an apocalyptic number.

It is an amenable number.

6525246564 is an abundant number, since it is smaller than the sum of its proper divisors (9969126786).

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

6525246564 is a wasteful number, since it uses less digits than its factorization.

6525246564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181256859 (or 181256854 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The square root of 6525246564 is about 80778.9982854455. The cubic root of 6525246564 is about 1868.6686897222.

The spelling of 6525246564 in words is "six billion, five hundred twenty-five million, two hundred forty-six thousand, five hundred sixty-four".