30196540516491 has 24 divisors (see below), whose sum is σ = 43728153718080. Its totient is φ = 20079831695616.

The previous prime is 30196540516379. The next prime is 30196540516559. The reversal of 30196540516491 is 19461504569103.

30196540516491 is a `hidden beast` number, since 3 + 0 + 1 + 9 + 6 + 540 + 5 + 1 + 6 + 4 + 91 = 666.

It is not a de Polignac number, because 30196540516491 - 2¹¹ = 30196540514443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30196540516591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 203847790 + ... + 203995868.

It is an arithmetic number, because the mean of its divisors is an integer number (1822006404920).

Almost surely, 2^{30196540516491} is an apocalyptic number.

30196540516491 is a deficient number, since it is larger than the sum of its proper divisors (13531613201589).

30196540516491 is a wasteful number, since it uses less digits than its factorization.

30196540516491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205555 (or 205552 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 30196540516491 in words is "thirty trillion, one hundred ninety-six billion, five hundred forty million, five hundred sixteen thousand, four hundred ninety-one".