19242616556 has 12 divisors (see below), whose sum is σ = 34007991360. Its totient is φ = 9526047600.

The previous prime is 19242616553. The next prime is 19242616579. The reversal of 19242616556 is 65561624291.

It is a super-2 number, since 2×19242616556² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19242616556.

It is not an unprimeable number, because it can be changed into a prime (19242616553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23814716 + ... + 23815523.

It is an arithmetic number, because the mean of its divisors is an integer number (2833999280).

Almost surely, 2^19242616556 is an apocalyptic number.

It is an amenable number.

19242616556 is a deficient number, since it is larger than the sum of its proper divisors (14765374804).

19242616556 is a wasteful number, since it uses less digits than its factorization.

19242616556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47630344 (or 47630342 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The spelling of 19242616556 in words is "nineteen billion, two hundred forty-two million, six hundred sixteen thousand, five hundred fifty-six".