540147666 has 8 divisors (see below), whose sum is σ = 1080295344. Its totient is φ = 180049220.

The previous prime is 540147661. The next prime is 540147677. The reversal of 540147666 is 666741045.

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

540147666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (540147661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45012300 + ... + 45012311.

It is an arithmetic number, because the mean of its divisors is an integer number (135036918).

Almost surely, 2^540147666 is an apocalyptic number.

540147666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540147666 is a wasteful number, since it uses less digits than its factorization.

540147666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90024616.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 540147666 is about 23241.0771265017. The cubic root of 540147666 is about 814.3995054713.

The spelling of 540147666 in words is "five hundred forty million, one hundred forty-seven thousand, six hundred sixty-six".