19149160666 has 8 divisors (see below), whose sum is σ = 28726711200. Its totient is φ = 9573590268.

The previous prime is 19149160609. The next prime is 19149160703. The reversal of 19149160666 is 66606194191.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470616 + ... + 509683.

It is an arithmetic number, because the mean of its divisors is an integer number (3590838900).

Almost surely, 2^19149160666 is an apocalyptic number.

19149160666 is a deficient number, since it is larger than the sum of its proper divisors (9577550534).

19149160666 is an equidigital number, since it uses as much as digits as its factorization.

19149160666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990068.

The product of its (nonzero) digits is 419904, while the sum is 49.

The spelling of 19149160666 in words is "nineteen billion, one hundred forty-nine million, one hundred sixty thousand, six hundred sixty-six".