19199334616 has 64 divisors (see below), whose sum is σ = 45069696000. Its totient is φ = 7448904960.

The previous prime is 19199334593. The next prime is 19199334683. The reversal of 19199334616 is 61643399191.

It is a super-2 number, since 2×19199334616² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 82020 + ... + 212428.

It is an arithmetic number, because the mean of its divisors is an integer number (704214000).

Almost surely, 2^19199334616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19199334616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22534848000).

19199334616 is an abundant number, since it is smaller than the sum of its proper divisors (25870361384).

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

19199334616 is a wasteful number, since it uses less digits than its factorization.

19199334616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130672 (or 130668 counting only the distinct ones).

The product of its digits is 944784, while the sum is 52.

The spelling of 19199334616 in words is "nineteen billion, one hundred ninety-nine million, three hundred thirty-four thousand, six hundred sixteen".