545531254666 has 8 divisors (see below), whose sum is σ = 823716067104. Its totient is φ = 270959232300.

The previous prime is 545531254663. The next prime is 545531254693. The reversal of 545531254666 is 666452135545.

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

It is not an unprimeable number, because it can be changed into a prime (545531254663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903197140 + ... + 903197743.

It is an arithmetic number, because the mean of its divisors is an integer number (102964508388).

Almost surely, 2^545531254666 is an apocalyptic number.

545531254666 is a deficient number, since it is larger than the sum of its proper divisors (278184812438).

545531254666 is a wasteful number, since it uses less digits than its factorization.

545531254666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806395036.

The product of its digits is 12960000, while the sum is 52.

The spelling of 545531254666 in words is "five hundred forty-five billion, five hundred thirty-one million, two hundred fifty-four thousand, six hundred sixty-six".