19461085416 has 24 divisors (see below), whose sum is σ = 52707106530. Its totient is φ = 6487028448.

The previous prime is 19461085373. The next prime is 19461085433. The reversal of 19461085416 is 61458016491.

19461085416 is a `hidden beast` number, since 1 + 94 + 6 + 10 + 8 + 541 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18239582916 + 1221502500 = 135054^2 + 34950^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135146355 + ... + 135146498.

Almost surely, 2^19461085416 is an apocalyptic number.

It is an amenable number.

19461085416 is an abundant number, since it is smaller than the sum of its proper divisors (33246021114).

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

19461085416 is a wasteful number, since it uses less digits than its factorization.

19461085416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270292865 (or 270292858 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 19461085416 in words is "nineteen billion, four hundred sixty-one million, eighty-five thousand, four hundred sixteen".