540611663 has 8 divisors (see below), whose sum is σ = 543297888. Its totient is φ = 537931744.

The previous prime is 540611641. The next prime is 540611723. The reversal of 540611663 is 366116045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540611663 - 2¹⁰ = 540610639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540611633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287081 + ... + 288957.

It is an arithmetic number, because the mean of its divisors is an integer number (67912236).

Almost surely, 2^540611663 is an apocalyptic number.

540611663 is a deficient number, since it is larger than the sum of its proper divisors (2686225).

540611663 is a wasteful number, since it uses less digits than its factorization.

540611663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 540611663 is about 23251.0572447792. The cubic root of 540611663 is about 814.6326335589.

The spelling of 540611663 in words is "five hundred forty million, six hundred eleven thousand, six hundred sixty-three".