19328614066 has 36 divisors (see below), whose sum is σ = 31119942906. Its totient is φ = 8972597760.

The previous prime is 19328614061. The next prime is 19328614099. The reversal of 19328614066 is 66041682391.

It can be written as a sum of positive squares in 3 ways, for example, as 7520531841 + 11808082225 = 86721^2 + 108665^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19328614061) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 91604701 + ... + 91604911.

Almost surely, 2^19328614066 is an apocalyptic number.

19328614066 is a deficient number, since it is larger than the sum of its proper divisors (11791328840).

19328614066 is an equidigital number, since it uses as much as digits as its factorization.

19328614066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 19328614066 in words is "nineteen billion, three hundred twenty-eight million, six hundred fourteen thousand, sixty-six".