19104003666 has 24 divisors (see below), whose sum is σ = 45154918224. Its totient is φ = 5789091960.

The previous prime is 19104003643. The next prime is 19104003697. The reversal of 19104003666 is 66630040191.

It is a self number, because there is not a number n which added to its sum of digits gives 19104003666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48242236 + ... + 48242631.

It is an arithmetic number, because the mean of its divisors is an integer number (1881454926).

Almost surely, 2^19104003666 is an apocalyptic number.

19104003666 is an abundant number, since it is smaller than the sum of its proper divisors (26050914558).

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

19104003666 is a wasteful number, since it uses less digits than its factorization.

19104003666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96484886 (or 96484883 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 19104003666 in words is "nineteen billion, one hundred four million, three thousand, six hundred sixty-six".