19881416058 has 24 divisors (see below), whose sum is σ = 45445325472. Its totient is φ = 5680143504.

The previous prime is 19881416017. The next prime is 19881416063. The reversal of 19881416058 is 85061418891.

It is a self number, because there is not a number n which added to its sum of digits gives 19881416058.

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, 902916 + ... + 924672.

It is an arithmetic number, because the mean of its divisors is an integer number (1893555228).

Almost surely, 2^19881416058 is an apocalyptic number.

19881416058 is an abundant number, since it is smaller than the sum of its proper divisors (25563909414).

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

19881416058 is an frugal number, since it uses more digits than its factorization.

19881416058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43526 (or 21769 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 51.

The spelling of 19881416058 in words is "nineteen billion, eight hundred eighty-one million, four hundred sixteen thousand, fifty-eight".