16664596108648 has 16 divisors (see below), whose sum is σ = 32254056984960. Its totient is φ = 8063514246000.

The previous prime is 16664596108621. The next prime is 16664596108687. The reversal of 16664596108648 is 84680169546661.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33597975778 + ... + 33597976273.

It is an arithmetic number, because the mean of its divisors is an integer number (2015878561560).

Almost surely, 2^{16664596108648} is an apocalyptic number.

It is an amenable number.

16664596108648 is a deficient number, since it is larger than the sum of its proper divisors (15589460876312).

16664596108648 is a wasteful number, since it uses less digits than its factorization.

16664596108648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67195952088 (or 67195952084 counting only the distinct ones).

The product of its (nonzero) digits is 358318080, while the sum is 70.

The spelling of 16664596108648 in words is "sixteen trillion, six hundred sixty-four billion, five hundred ninety-six million, one hundred eight thousand, six hundred forty-eight".