64498080668 has 12 divisors (see below), whose sum is σ = 128996161392. Its totient is φ = 27642034560.

The previous prime is 64498080611. The next prime is 64498080737. The reversal of 64498080668 is 86608089446.

64498080668 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1151751413 + ... + 1151751468.

It is an arithmetic number, because the mean of its divisors is an integer number (10749680116).

Almost surely, 2^64498080668 is an apocalyptic number.

It is an amenable number.

64498080668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64498080668 is a wasteful number, since it uses less digits than its factorization.

64498080668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303502892 (or 2303502890 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 59.

The spelling of 64498080668 in words is "sixty-four billion, four hundred ninety-eight million, eighty thousand, six hundred sixty-eight".