19660095522 has 64 divisors (see below), whose sum is σ = 44524339200. Its totient is φ = 6428555280.

The previous prime is 19660095517. The next prime is 19660095613. The reversal of 19660095522 is 22559006691.

It is a happy number.

19660095522 is a `hidden beast` number, since 1 + 96 + 6 + 0 + 0 + 9 + 552 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1545247 + ... + 1557917.

It is an arithmetic number, because the mean of its divisors is an integer number (695692800).

Almost surely, 2^19660095522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19660095522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22262169600).

19660095522 is an abundant number, since it is smaller than the sum of its proper divisors (24864243678).

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

19660095522 is a wasteful number, since it uses less digits than its factorization.

19660095522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13228 (or 13222 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 19660095522 in words is "nineteen billion, six hundred sixty million, ninety-five thousand, five hundred twenty-two".