19199867416 has 16 divisors (see below), whose sum is σ = 36005130000. Its totient is φ = 9598499424.

The previous prime is 19199867411. The next prime is 19199867431. The reversal of 19199867416 is 61476899191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19199867411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121291 + ... + 230458.

It is an arithmetic number, because the mean of its divisors is an integer number (2250320625).

Almost surely, 2^19199867416 is an apocalyptic number.

It is an amenable number.

19199867416 is a deficient number, since it is larger than the sum of its proper divisors (16805262584).

19199867416 is a wasteful number, since it uses less digits than its factorization.

19199867416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358578 (or 358574 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 61.

The spelling of 19199867416 in words is "nineteen billion, one hundred ninety-nine million, eight hundred sixty-seven thousand, four hundred sixteen".