16668466349634 has 64 divisors (see below), whose sum is σ = 40416410626560. Its totient is φ = 5050049490000.

The previous prime is 16668466349597. The next prime is 16668466349651. The reversal of 16668466349634 is 43694366486661.

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 31 ways as a sum of consecutive naturals, for example, 222489 + ... + 5778099.

It is an arithmetic number, because the mean of its divisors is an integer number (631506416040).

Almost surely, 2^{16668466349634} is an apocalyptic number.

16668466349634 is an abundant number, since it is smaller than the sum of its proper divisors (23747944276926).

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

16668466349634 is a wasteful number, since it uses less digits than its factorization.

16668466349634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560684 (or 5560678 counting only the distinct ones).

The product of its digits is 1934917632, while the sum is 72.

The spelling of 16668466349634 in words is "sixteen trillion, six hundred sixty-eight billion, four hundred sixty-six million, three hundred forty-nine thousand, six hundred thirty-four".