540623337631663 has 32 divisors (see below), whose sum is σ = 648665572101120. Its totient is φ = 444007735282560.

The previous prime is 540623337631661. The next prime is 540623337631703. The reversal of 540623337631663 is 366136733326045.

It is a cyclic number.

It is not a de Polignac number, because 540623337631663 - 2¹ = 540623337631661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540623337631598 and 540623337631607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540623337631661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317113656 + ... + 318813922.

It is an arithmetic number, because the mean of its divisors is an integer number (20270799128160).

Almost surely, 2^{540623337631663} is an apocalyptic number.

540623337631663 is a deficient number, since it is larger than the sum of its proper divisors (108042234469457).

540623337631663 is a wasteful number, since it uses less digits than its factorization.

540623337631663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747647.

The product of its (nonzero) digits is 88179840, while the sum is 58.

The spelling of 540623337631663 in words is "five hundred forty trillion, six hundred twenty-three billion, three hundred thirty-seven million, six hundred thirty-one thousand, six hundred sixty-three".