6564155610 has 32 divisors (see below), whose sum is σ = 16438930560. Its totient is φ = 1674335168.

The previous prime is 6564155531. The next prime is 6564155623. The reversal of 6564155610 is 165514656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4755945 + ... + 4757324.

It is an arithmetic number, because the mean of its divisors is an integer number (513716580).

Almost surely, 2^6564155610 is an apocalyptic number.

6564155610 is an abundant number, since it is smaller than the sum of its proper divisors (9874774950).

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

6564155610 is a wasteful number, since it uses less digits than its factorization.

6564155610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9513302.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 6564155610 is about 81019.4767324500. The cubic root of 6564155610 is about 1872.3755267665.

The spelling of 6564155610 in words is "six billion, five hundred sixty-four million, one hundred fifty-five thousand, six hundred ten".