6534244664 has 16 divisors (see below), whose sum is σ = 12280955400. Its totient is φ = 3259323232.

The previous prime is 6534244601. The next prime is 6534244667. The reversal of 6534244664 is 4664424356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6534244667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971327 + ... + 978030.

Almost surely, 2^6534244664 is an apocalyptic number.

It is an amenable number.

6534244664 is a deficient number, since it is larger than the sum of its proper divisors (5746710736).

6534244664 is a wasteful number, since it uses less digits than its factorization.

6534244664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949782 (or 1949778 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 44.

The square root of 6534244664 is about 80834.6748864619. The cubic root of 6534244664 is about 1869.5272393888.

The spelling of 6534244664 in words is "six billion, five hundred thirty-four million, two hundred forty-four thousand, six hundred sixty-four".