19668614246 has 8 divisors (see below), whose sum is σ = 29504311104. Its totient is φ = 9833843880.

The previous prime is 19668614171. The next prime is 19668614267. The reversal of 19668614246 is 64241686691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 175865 + ... + 265076.

It is an arithmetic number, because the mean of its divisors is an integer number (3688038888).

Almost surely, 2^19668614246 is an apocalyptic number.

19668614246 is a deficient number, since it is larger than the sum of its proper divisors (9835696858).

19668614246 is a wasteful number, since it uses less digits than its factorization.

19668614246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463246.

The product of its digits is 2985984, while the sum is 53.

The spelling of 19668614246 in words is "nineteen billion, six hundred sixty-eight million, six hundred fourteen thousand, two hundred forty-six".