19990034330158 has 16 divisors (see below), whose sum is σ = 31114524456576. Its totient is φ = 9625073847480.

The previous prime is 19990034330129. The next prime is 19990034330159. The reversal of 19990034330158 is 85103343009991.

It is a junction number, because it is equal to n+sod(n) for n = 19990034330099 and 19990034330108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19990034330159) 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, 1636911216 + ... + 1636923427.

It is an arithmetic number, because the mean of its divisors is an integer number (1944657778536).

Almost surely, 2^{19990034330158} is an apocalyptic number.

19990034330158 is a deficient number, since it is larger than the sum of its proper divisors (11124490126418).

19990034330158 is a wasteful number, since it uses less digits than its factorization.

19990034330158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273834759.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 19990034330158 in words is "nineteen trillion, nine hundred ninety billion, thirty-four million, three hundred thirty thousand, one hundred fifty-eight".