16615340494868 has 12 divisors (see below), whose sum is σ = 29085127532832. Its totient is φ = 8305304056920.

The previous prime is 16615340494817. The next prime is 16615340494873. The reversal of 16615340494868 is 86849404351661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591531830 + ... + 591559917.

It is an arithmetic number, because the mean of its divisors is an integer number (2423760627736).

Almost surely, 2^{16615340494868} is an apocalyptic number.

It is an amenable number.

16615340494868 is a deficient number, since it is larger than the sum of its proper divisors (12469787037964).

16615340494868 is a wasteful number, since it uses less digits than its factorization.

16615340494868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183095262 (or 1183095260 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 65.

The spelling of 16615340494868 in words is "sixteen trillion, six hundred fifteen billion, three hundred forty million, four hundred ninety-four thousand, eight hundred sixty-eight".