19816130603 has 8 divisors (see below), whose sum is σ = 19955143680. Its totient is φ = 19677220200.

The previous prime is 19816130599. The next prime is 19816130611. The reversal of 19816130603 is 30603161891.

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

It is a cyclic number.

It is not a de Polignac number, because 19816130603 - 2² = 19816130599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19816130623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384518 + ... + 432996.

It is an arithmetic number, because the mean of its divisors is an integer number (2494392960).

Almost surely, 2^19816130603 is an apocalyptic number.

19816130603 is a deficient number, since it is larger than the sum of its proper divisors (139013077).

19816130603 is a wasteful number, since it uses less digits than its factorization.

19816130603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51337.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 19816130603 in words is "nineteen billion, eight hundred sixteen million, one hundred thirty thousand, six hundred three".