540931658193 has 16 divisors (see below), whose sum is σ = 801401140800. Its totient is φ = 360611697600.

The previous prime is 540931658177. The next prime is 540931658203. The reversal of 540931658193 is 391856139045.

540931658193 is a `hidden beast` number, since 5 + 40 + 9 + 3 + 16 + 581 + 9 + 3 = 666.

It is not a de Polignac number, because 540931658193 - 2⁴ = 540931658177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540931658123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884073 + ... + 1365081.

It is an arithmetic number, because the mean of its divisors is an integer number (50087571300).

Almost surely, 2^540931658193 is an apocalyptic number.

It is an amenable number.

540931658193 is a deficient number, since it is larger than the sum of its proper divisors (260469482607).

540931658193 is a wasteful number, since it uses less digits than its factorization.

540931658193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522669 (or 522663 counting only the distinct ones).

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

The spelling of 540931658193 in words is "five hundred forty billion, nine hundred thirty-one million, six hundred fifty-eight thousand, one hundred ninety-three".