540064330666 has 48 divisors (see below), whose sum is σ = 979224906240. Its totient is φ = 222472504800.

The previous prime is 540064330661. The next prime is 540064330669. The reversal of 540064330666 is 666033460045.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (540064330661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207691 + ... + 1059841.

It is an arithmetic number, because the mean of its divisors is an integer number (20400518880).

Almost surely, 2^540064330666 is an apocalyptic number.

540064330666 is a deficient number, since it is larger than the sum of its proper divisors (439160575574).

540064330666 is a wasteful number, since it uses less digits than its factorization.

540064330666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852419 (or 852412 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 540064330666 in words is "five hundred forty billion, sixty-four million, three hundred thirty thousand, six hundred sixty-six".