16768427648 has 32 divisors (see below), whose sum is σ = 38178118560. Its totient is φ = 7186468608.

The previous prime is 16768427609. The next prime is 16768427657. The reversal of 16768427648 is 84672486761.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9356486 + ... + 9358277.

It is an arithmetic number, because the mean of its divisors is an integer number (1193066205).

Almost surely, 2^16768427648 is an apocalyptic number.

It is an amenable number.

16768427648 is an abundant number, since it is smaller than the sum of its proper divisors (21409690912).

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

16768427648 is an equidigital number, since it uses as much as digits as its factorization.

16768427648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714784 (or 18714772 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 59.

The spelling of 16768427648 in words is "sixteen billion, seven hundred sixty-eight million, four hundred twenty-seven thousand, six hundred forty-eight".