547666505666745 has 8 divisors (see below), whose sum is σ = 876266409066816. Its totient is φ = 292088803022256.

The previous prime is 547666505666743. The next prime is 547666505666773.

It is a happy number.

547666505666745 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 547666505666745 - 2¹ = 547666505666743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (547666505666743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18255550188877 + ... + 18255550188906.

It is an arithmetic number, because the mean of its divisors is an integer number (109533301133352).

Almost surely, 2^{547666505666745} is an apocalyptic number.

It is an amenable number.

547666505666745 is a deficient number, since it is larger than the sum of its proper divisors (328599903400071).

547666505666745 is a wasteful number, since it uses less digits than its factorization.

547666505666745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36511100377791.

The product of its (nonzero) digits is 22861440000, while the sum is 78.

The spelling of 547666505666745 in words is "five hundred forty-seven trillion, six hundred sixty-six billion, five hundred five million, six hundred sixty-six thousand, seven hundred forty-five".