1664011412616 has 96 divisors (see below), whose sum is σ = 4839594065280. Its totient is φ = 475394774400.

The previous prime is 1664011412587. The next prime is 1664011412629. The reversal of 1664011412616 is 6162141104661.

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 23 ways as a sum of consecutive naturals, for example, 17381761 + ... + 17477231.

It is an arithmetic number, because the mean of its divisors is an integer number (50412438180).

Almost surely, 2^{1664011412616} is an apocalyptic number.

It is an amenable number.

1664011412616 is an abundant number, since it is smaller than the sum of its proper divisors (3175582652664).

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

1664011412616 is a wasteful number, since it uses less digits than its factorization.

1664011412616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110315 (or 110304 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 1664011412616 in words is "one trillion, six hundred sixty-four billion, eleven million, four hundred twelve thousand, six hundred sixteen".