19354096161 has 27 divisors (see below), whose sum is σ = 28362586161. Its totient is φ = 12717702504.

The previous prime is 19354096133. The next prime is 19354096193. The reversal of 19354096161 is 16169045391.

The square root of 19354096161 is 139119.

It is a perfect power (a square), and thus also a powerful number.

19354096161 is a `hidden beast` number, since 1 + 9 + 3 + 540 + 96 + 16 + 1 = 666.

It is not a de Polignac number, because 19354096161 - 2⁷ = 19354096033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19354096261) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32970910 + ... + 32971496.

Almost surely, 2^19354096161 is an apocalyptic number.

19354096161 is the 139119-th square number.

19354096161 is the 69560-th centered octagonal number.

It is an amenable number.

19354096161 is a deficient number, since it is larger than the sum of its proper divisors (9008490000).

19354096161 is an frugal number, since it uses more digits than its factorization.

19354096161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 19354096161 in words is "nineteen billion, three hundred fifty-four million, ninety-six thousand, one hundred sixty-one".