19577316146 has 16 divisors (see below), whose sum is σ = 30228859584. Its totient is φ = 9503756304.

The previous prime is 19577316133. The next prime is 19577316151. The reversal of 19577316146 is 64161377591.

It is a junction number, because it is equal to n+sod(n) for n = 19577316094 and 19577316103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667205 + ... + 695928.

It is an arithmetic number, because the mean of its divisors is an integer number (1889303724).

Almost surely, 2^19577316146 is an apocalyptic number.

19577316146 is a deficient number, since it is larger than the sum of its proper divisors (10651543438).

19577316146 is a wasteful number, since it uses less digits than its factorization.

19577316146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363345.

The product of its digits is 952560, while the sum is 50.

The spelling of 19577316146 in words is "nineteen billion, five hundred seventy-seven million, three hundred sixteen thousand, one hundred forty-six".