19168725234 has 16 divisors (see below), whose sum is σ = 38388103488. Its totient is φ = 6381132912.

The previous prime is 19168725223. The next prime is 19168725269. The reversal of 19168725234 is 43252786191.

It is a super-3 number, since 3×19168725234³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2105622 + ... + 2114705.

It is an arithmetic number, because the mean of its divisors is an integer number (2399256468).

Almost surely, 2^19168725234 is an apocalyptic number.

19168725234 is an abundant number, since it is smaller than the sum of its proper divisors (19219378254).

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

19168725234 is a wasteful number, since it uses less digits than its factorization.

19168725234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221089.

The product of its digits is 725760, while the sum is 48.

The spelling of 19168725234 in words is "nineteen billion, one hundred sixty-eight million, seven hundred twenty-five thousand, two hundred thirty-four".