19468116 has 18 divisors (see below), whose sum is σ = 49211162. Its totient is φ = 6489360.

The previous prime is 19468109. The next prime is 19468117. The reversal of 19468116 is 61186491.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19395216 + 72900 = 4404^2 + 270^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 540781 = 19468116 / (1 + 9 + 4 + 6 + 8 + 1 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19468117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270355 + ... + 270426.

Almost surely, 2^19468116 is an apocalyptic number.

It is an amenable number.

19468116 is an abundant number, since it is smaller than the sum of its proper divisors (29743046).

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

19468116 is a wasteful number, since it uses less digits than its factorization.

19468116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540791 (or 540786 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 19468116 is about 4412.2688041415. The cubic root of 19468116 is about 269.0138511315.

The spelling of 19468116 in words is "nineteen million, four hundred sixty-eight thousand, one hundred sixteen".