19392672016 has 80 divisors (see below), whose sum is σ = 39101091120. Its totient is φ = 9311477760.

The previous prime is 19392672011. The next prime is 19392672029. The reversal of 19392672016 is 61027629391.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 16032016 + 19376640000 = 4004^2 + 139200^2 .

It is not an unprimeable number, because it can be changed into a prime (19392672011) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12051820 + ... + 12053428.

It is an arithmetic number, because the mean of its divisors is an integer number (488763639).

Almost surely, 2^19392672016 is an apocalyptic number.

19392672016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19392672016 is an abundant number, since it is smaller than the sum of its proper divisors (19708419104).

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

19392672016 is a wasteful number, since it uses less digits than its factorization.

19392672016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 19392672016 in words is "nineteen billion, three hundred ninety-two million, six hundred seventy-two thousand, sixteen".