660266446043 has 16 divisors (see below), whose sum is σ = 670182810336. Its totient is φ = 650426922240.

The previous prime is 660266445989. The next prime is 660266446199. The reversal of 660266446043 is 340644662066.

It is a cyclic number.

It is not a de Polignac number, because 660266446043 - 2¹⁰ = 660266445019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660266446843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19254533 + ... + 19288793.

It is an arithmetic number, because the mean of its divisors is an integer number (41886425646).

Almost surely, 2^660266446043 is an apocalyptic number.

660266446043 is a deficient number, since it is larger than the sum of its proper divisors (9916364293).

660266446043 is a wasteful number, since it uses less digits than its factorization.

660266446043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35374.

The product of its (nonzero) digits is 2985984, while the sum is 47.

The spelling of 660266446043 in words is "six hundred sixty billion, two hundred sixty-six million, four hundred forty-six thousand, forty-three".