19107161472 has 128 divisors (see below), whose sum is σ = 58056768000. Its totient is φ = 5454213120.

The previous prime is 19107161449. The next prime is 19107161483. The reversal of 19107161472 is 27416170191.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 19107161472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3757972 + ... + 3763052.

It is an arithmetic number, because the mean of its divisors is an integer number (453568500).

Almost surely, 2^19107161472 is an apocalyptic number.

19107161472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19107161472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29028384000).

19107161472 is an abundant number, since it is smaller than the sum of its proper divisors (38949606528).

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

19107161472 is a wasteful number, since it uses less digits than its factorization.

19107161472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504 (or 6492 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 39.

The spelling of 19107161472 in words is "nineteen billion, one hundred seven million, one hundred sixty-one thousand, four hundred seventy-two".