660745547066 has 16 divisors (see below), whose sum is σ = 1116098051328. Its totient is φ = 290650533600.

The previous prime is 660745547039. The next prime is 660745547101.

660745547066 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484416875 + ... + 484418238.

It is an arithmetic number, because the mean of its divisors is an integer number (69756128208).

Almost surely, 2^660745547066 is an apocalyptic number.

660745547066 is a deficient number, since it is larger than the sum of its proper divisors (455352504262).

660745547066 is a wasteful number, since it uses less digits than its factorization.

660745547066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968835157.

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 660745547066 in words is "six hundred sixty billion, seven hundred forty-five million, five hundred forty-seven thousand, sixty-six".