540103661 has 8 divisors (see below), whose sum is σ = 545923584. Its totient is φ = 534293200.

The previous prime is 540103657. The next prime is 540103667. The reversal of 540103661 is 166301045.

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 540103661 - 2² = 540103657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540103661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540103667) 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, 221696 + ... + 224118.

It is an arithmetic number, because the mean of its divisors is an integer number (68240448).

Almost surely, 2^540103661 is an apocalyptic number.

It is an amenable number.

540103661 is a deficient number, since it is larger than the sum of its proper divisors (5819923).

540103661 is a wasteful number, since it uses less digits than its factorization.

540103661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 540103661 is about 23240.1303998063. The cubic root of 540103661 is about 814.3773889121.

The spelling of 540103661 in words is "five hundred forty million, one hundred three thousand, six hundred sixty-one".