6664653548 has 24 divisors (see below), whose sum is σ = 14113384992. Its totient is φ = 2688263424.

The previous prime is 6664653539. The next prime is 6664653553. The reversal of 6664653548 is 8453564666.

It is a self number, because there is not a number n which added to its sum of digits gives 6664653548.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7000211 + ... + 7001162.

It is an arithmetic number, because the mean of its divisors is an integer number (588057708).

Almost surely, 2^6664653548 is an apocalyptic number.

6664653548 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6664653548 is an abundant number, since it is smaller than the sum of its proper divisors (7448731444).

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

6664653548 is a wasteful number, since it uses less digits than its factorization.

6664653548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14001401 (or 14001399 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 53.

The square root of 6664653548 is about 81637.3293781711. The cubic root of 6664653548 is about 1881.8825969708.

The spelling of 6664653548 in words is "six billion, six hundred sixty-four million, six hundred fifty-three thousand, five hundred forty-eight".